LoongArch: Add back-compatibility for linux kernel.

Signed-off-by: Juxin Gao <gaojuxin@loongson.cn>

grub.patches

@@ -229,4 +229,5 @@ Patch228:       0002-Revert-templates-Properly-disable-the-os-prober-by-d.patch
 Patch229:       0003-Revert-templates-Disable-the-os-prober-by-default.patch
 Patch230:       Handle-non-continuous-data-blocks-in-directory-exten.patch
 Patch231:       loongarch64-fix-GRUB_EFI_MAX_ALLOCATION_ADDRESS-unde.patch
-Patch232:	modify-efi_max_usable-addr.patch
+Patch232:	    modify-efi_max_usable-addr.patch
+Patch233:	    LoongArch-Add-back-compatibility-for-linux-kernel.patch

grub2.spec

@@ -14,7 +14,7 @@
 Name:		grub2
 Epoch:		1
 Version:	2.12
-Release:	12
+Release:	13
 Summary:	Bootloader with support for Linux, Multiboot and more
 License:	GPLv3+
 URL:		http://www.gnu.org/software/grub/
@@ -447,6 +447,13 @@ fi
 %{_datadir}/man/man*
 
 %changelog
+
+* Sat May 25 2024 liuxue <liuxue@loongson.cn> - 1:2.12-13
+- Type:requirement
+- CVE:NA
+- SUG:NA
+- DESC:loongarch64: Add back-compatibility for linux kernel
+
 * Fri May 24 2024 Ouuleilei <wangliu@iscas.ac.cn> - 1:2.12-12
 - Add sophgo's patch to support risc-v machine SG2042