gnu: Add linux-libre 6.3.

* gnu/packages/linux.scm (linux-libre-6.3-version, linux-libre-6.3-gnu-revision,
deblob-scripts-6.3, linux-libre-6.3-pristine-source, linux-libre-6.3-source,
linux-libre-headers-6.3, linux-libre-6.3): New variables.
* gnu/packages/aux-files/linux-libre/6.3-arm.conf,
gnu/packages/aux-files/linux-libre/6.3-arm64.conf,
gnu/packages/aux-files/linux-libre/6.3-i686.conf,
gnu/packages/aux-files/linux-libre/6.3-x86_64.conf: New files.
* Makefile.am (AUX_FILES): Add them.

Makefile.am

@@ -407,6 +407,10 @@ AUX_FILES =						\
   gnu/packages/aux-files/chromium/master-preferences.json		\
   gnu/packages/aux-files/emacs/guix-emacs.el		\
   gnu/packages/aux-files/guix.vim			\
+  gnu/packages/aux-files/linux-libre/6.3-arm.conf	\
+  gnu/packages/aux-files/linux-libre/6.3-arm64.conf	\
+  gnu/packages/aux-files/linux-libre/6.3-i686.conf	\
+  gnu/packages/aux-files/linux-libre/6.3-x86_64.conf	\
   gnu/packages/aux-files/linux-libre/6.2-arm.conf	\
   gnu/packages/aux-files/linux-libre/6.2-arm64.conf	\
   gnu/packages/aux-files/linux-libre/6.2-i686.conf	\

gnu/packages/linux.scm

@@ -485,6 +485,21 @@ corresponding UPSTREAM-SOURCE (an origin), using the given DEBLOB-SCRIPTS."
 ;; The current "stable" kernels. That is, the most recently released major
 ;; versions that are still supported upstream.
 
+(define-public linux-libre-6.3-version "6.3.2")
+(define-public linux-libre-6.3-gnu-revision "gnu")
+(define deblob-scripts-6.3
+  (linux-libre-deblob-scripts
+   linux-libre-6.3-version
+   linux-libre-6.3-gnu-revision
+   (base32 "01ivgzq18fwas87q84jx9jipcw58kwdnch7ylwg06d98ncga27px")
+   (base32 "1m3zvklfmxh4fgc7lvkgpsyfcqzqccvivhmbwbzsvyzzalg7bv4f")))
+(define-public linux-libre-6.3-pristine-source
+  (let ((version linux-libre-6.3-version)
+        (hash (base32 "0a2kki763lrlafh6kf9ca8nxrdrk5043k7vdzy4pjgyahbrfq4mn")))
+   (make-linux-libre-source version
+                            (%upstream-linux-source version hash)
+                            deblob-scripts-6.3)))
+
 (define-public linux-libre-6.2-version "6.2.15")
 (define-public linux-libre-6.2-gnu-revision "gnu")
 (define deblob-scripts-6.2
@@ -621,6 +636,11 @@ corresponding UPSTREAM-SOURCE (an origin), using the given DEBLOB-SCRIPTS."
     (patches (append (origin-patches source)
                      patches))))
 
+(define-public linux-libre-6.3-source
+  (source-with-patches linux-libre-6.3-pristine-source
+                       (list %boot-logo-patch
+                             %linux-libre-arm-export-__sync_icache_dcache-patch)))
+
 (define-public linux-libre-6.2-source
   (source-with-patches linux-libre-6.2-pristine-source
                        (list %boot-logo-patch
@@ -737,6 +757,11 @@ corresponding UPSTREAM-SOURCE (an origin), using the given DEBLOB-SCRIPTS."
     (description "Headers of the Linux-Libre kernel.")
     (license license:gpl2)))
 
+(define-public linux-libre-headers-6.3
+  (make-linux-libre-headers* linux-libre-6.3-version
+                             linux-libre-6.3-gnu-revision
+                             linux-libre-6.3-source))
+
 (define-public linux-libre-headers-6.2
   (make-linux-libre-headers* linux-libre-6.2-version
                              linux-libre-6.2-gnu-revision
@@ -1080,6 +1105,14 @@ Linux kernel.  It has been modified to remove all non-free binary blobs.")
 ;;; Generic kernel packages.
 ;;;
 
+(define-public linux-libre-6.3
+  (make-linux-libre* linux-libre-6.3-version
+                     linux-libre-6.3-gnu-revision
+                     linux-libre-6.3-source
+                     '("x86_64-linux" "i686-linux" "armhf-linux"
+                       "aarch64-linux" "powerpc64le-linux" "riscv64-linux")
+                     #:configuration-file kernel-config))
+
 (define-public linux-libre-6.2
   (make-linux-libre* linux-libre-6.2-version
                      linux-libre-6.2-gnu-revision