[AMDGPU] Handle MachineOperandType global address in SIFoldOperands. (#135424)
This patch handles the global operand type properly, fixing the
bug : Assertion `(isFI() || isCPI() || isTargetIndex() ||
isJTI()) && "Wrong MachineOperand accessor"` failed.
Fixes SWDEV-504645
---------
Co-authored-by: Matt Arsenault <arsenm2@gmail.com>