gnu: linux-libre: Update default version to 7.0.

* gnu/packages/linux.scm (linux-libre-version, linux-libre-gnu-revision,
linux-libre-pristine-source, linux-libre-source, linux-libre,
linux-libre-arm64-mnt-reform): Update to 7.0.

gnu/packages/linux.scm

@@ -1218,6 +1218,12 @@ Linux kernel.  It has been modified to remove all non-free binary blobs.")
                        "aarch64-linux" "powerpc64le-linux" "riscv64-linux")
                      #:configuration-file kernel-config))
 
+(define-public linux-libre-version         linux-libre-7.0-version)
+(define-public linux-libre-gnu-revision    linux-libre-7.0-gnu-revision)
+(define-public linux-libre-pristine-source linux-libre-7.0-pristine-source)
+(define-public linux-libre-source          linux-libre-7.0-source)
+(define-public linux-libre                 linux-libre-7.0)
+
 (define-public linux-libre-6.19
   (make-linux-libre* linux-libre-6.19-version
                      linux-libre-6.19-gnu-revision
@@ -1234,12 +1240,6 @@ Linux kernel.  It has been modified to remove all non-free binary blobs.")
                        "aarch64-linux" "powerpc64le-linux" "riscv64-linux")
                      #:configuration-file kernel-config))
 
-(define-public linux-libre-version         linux-libre-6.18-version)
-(define-public linux-libre-gnu-revision    linux-libre-6.18-gnu-revision)
-(define-public linux-libre-pristine-source linux-libre-6.18-pristine-source)
-(define-public linux-libre-source          linux-libre-6.18-source)
-(define-public linux-libre                 linux-libre-6.18)
-
 (define-public linux-libre-6.12
   (make-linux-libre* linux-libre-6.12-version
                      linux-libre-6.12-gnu-revision
@@ -1979,6 +1979,8 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-mnt-reform2-dsi.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-mnt-reform-next.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-mnt-pocket-reform.dtb")))))))))))
 
+(define-public linux-libre-arm64-mnt-reform linux-libre-arm64-mnt-reform-7.0)
+
 (define-public linux-libre-arm64-mnt-reform-6.19
   ;; Kernel for use on the MNT/Reform systems
   ;; https://mntre.com/reform.html
@@ -2315,8 +2317,6 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-mnt-reform2-dsi.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-mnt-reform-next.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-mnt-pocket-reform.dtb")))))))))))
 
-(define-public linux-libre-arm64-mnt-reform linux-libre-arm64-mnt-reform-6.18)
-
 (define-public linux-libre-arm64-mnt-reform-6.12
   ;; Kernel for use on the MNT/Reform systems
   ;; https://mntre.com/reform.html