CVE-2024-39488 arm64: asm-bug: Add .align 2 to the end of __BUG_ENTRY

In the Linux kernel, the following vulnerability has been resolved: arm64: asm-bug: Add .align 2 to the end of BUGENTRY When CONFIGDEBUGBUGVERBOSE=n, we fail to add necessary padding bytes to bugtable entries, and as a result the last entry in a bug table will be ignored, potentially leading to a...