[llvm] [AArch64] Fix `APAS` instructions to disassemble to self not to `SYS` alias (PR #142211)

[Rodolfo Wottrich via llvm-commits]

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@@ -9,10 +9,10 @@
 [0xa3,0x21,0x3e,0xd5]
 [0xa4,0x21,0x1e,0xd5]
 
-# CHECK:      	sys	#6, c7, c0, #0, x0
-# CHECK-NEXT: 	sys	#6, c7, c0, #0, x1
-# CHECK-NEXT: 	sys	#6, c7, c0, #0, x2
-# CHECK-NEXT: 	sys	#6, c7, c0, #0, x17
-# CHECK-NEXT: 	sys	#6, c7, c0, #0, x30
+# CHECK:      	 apas x0
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rgwott wrote:

Nit: can we please remove the leading space and line up the rest with the following lines?

https://github.com/llvm/llvm-project/pull/142211