LoongArch: Enable UBSAN (Undefined Behavior Sanitizer)

[ Upstream commit 892a796 ]

Select ARCH_HAS_UBSAN in order to allow the user to enable CONFIG_UBSAN
and instrument the entire kernel for ubsan checks.

Co-developed-by: Wentao Guan <guanwentao@uniontech.com>
Signed-off-by: Wentao Guan <guanwentao@uniontech.com>
Signed-off-by: Yuli Wang <wangyuli@uniontech.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
[ Backport from v6.15 ]
Signed-off-by: WangYuli <wangyuli@uniontech.com>

Author: Yuli Wang

arch/loongarch/Kconfig

@@ -21,6 +21,7 @@ config LOONGARCH
 	select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE
 	select ARCH_HAS_PTE_SPECIAL
 	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
+	select ARCH_HAS_UBSAN
 	select ARCH_INLINE_READ_LOCK if !PREEMPTION
 	select ARCH_INLINE_READ_LOCK_BH if !PREEMPTION
 	select ARCH_INLINE_READ_LOCK_IRQ if !PREEMPTION