[libomptarget][amdgpu] Refactor debug printing

Move most debug printing in rtl.cpp behind DP() macro
Adjust the print output for gpu arch mismatch when the architectures match
Convert an assert into graceful failure

Reviewed By: jdoerfert

Differential Revision: https://reviews.llvm.org/D108562

GitOrigin-RevId: 9b2c6c07b54ac627403d679b8de8f87e90715913
1 file changed