[ARM, AArch64] Fix a comment typo. NFC.

Author: mstorsjo

llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h

@@ -606,7 +606,7 @@ namespace AArch64II {
     MO_HI12 = 7,
 
     /// MO_COFFSTUB - On a symbol operand "FOO", this indicates that the
-    /// reference is actually to the ".refptrp.FOO" symbol.  This is used for
+    /// reference is actually to the ".refptr.FOO" symbol.  This is used for
     /// stub symbols on windows.
     MO_COFFSTUB = 0x8,
 

llvm/lib/Target/ARM/MCTargetDesc/ARMBaseInfo.h

@@ -254,7 +254,7 @@ namespace ARMII {
     MO_OPTION_MASK = 0x3,
 
     /// MO_COFFSTUB - On a symbol operand "FOO", this indicates that the
-    /// reference is actually to the ".refptrp.FOO" symbol.  This is used for
+    /// reference is actually to the ".refptr.FOO" symbol.  This is used for
     /// stub symbols on windows.
     MO_COFFSTUB = 0x4,