[M68k][NFC] Rename 'GlSel' -> 'GISel'

AArch64 as well as other targets use the abbrev "GISel" so we'd better
to be consistent with them. NFC.

llvm/lib/Target/M68k/CMakeLists.txt

@@ -17,10 +17,10 @@ tablegen(LLVM M68kGenAsmMatcher.inc       -gen-asm-matcher)
 add_public_tablegen_target(M68kCommonTableGen)
 
 add_llvm_target(M68kCodeGen
-  GlSel/M68kCallLowering.cpp
-  GlSel/M68kInstructionSelector.cpp
-  GlSel/M68kLegalizerInfo.cpp
-  GlSel/M68kRegisterBankInfo.cpp
+  GISel/M68kCallLowering.cpp
+  GISel/M68kInstructionSelector.cpp
+  GISel/M68kLegalizerInfo.cpp
+  GISel/M68kRegisterBankInfo.cpp
   M68kAsmPrinter.cpp
   M68kCollapseMOVEMPass.cpp
   M68kExpandPseudo.cpp

llvm/lib/Target/M68k/M68k.td

@@ -78,7 +78,7 @@ def : Proc<"M68060",  [ FeatureISA60 ]>;
 //===----------------------------------------------------------------------===//
 
 include "M68kRegisterInfo.td"
-include "GlSel/M68kRegisterBanks.td"
+include "GISel/M68kRegisterBanks.td"
 
 //===----------------------------------------------------------------------===//
 // Instruction Descriptions

llvm/lib/Target/M68k/M68kSubtarget.cpp

@@ -12,9 +12,9 @@
 //===----------------------------------------------------------------------===//
 
 #include "M68kSubtarget.h"
-#include "GlSel/M68kCallLowering.h"
-#include "GlSel/M68kLegalizerInfo.h"
-#include "GlSel/M68kRegisterBankInfo.h"
+#include "GISel/M68kCallLowering.h"
+#include "GISel/M68kLegalizerInfo.h"
+#include "GISel/M68kRegisterBankInfo.h"
 
 #include "M68k.h"
 #include "M68kMachineFunction.h"