arch/arm64: fix typo in a comment

Fix typo in a comment in arch/arm64/include/asm/esr.h

"Unallocted" -> "Unallocated"

Signed-off-by: Chenggang Wang <[email protected]>
Acked-by: Mark Rutland <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>

Author: 王程刚

arch/arm64/include/asm/esr.h

@@ -60,7 +60,7 @@
 #define ESR_ELx_EC_BKPT32	(0x38)
 /* Unallocated EC: 0x39 */
 #define ESR_ELx_EC_VECTOR32	(0x3A)	/* EL2 only */
-/* Unallocted EC: 0x3B */
+/* Unallocated EC: 0x3B */
 #define ESR_ELx_EC_BRK64	(0x3C)
 /* Unallocated EC: 0x3D - 0x3F */
 #define ESR_ELx_EC_MAX		(0x3F)