[AMDGPU] Support 'F' and 'A' conversion specifiers with ocl printf (#148784)

Runtime support in progress downstream..

Author: vikramRH

llvm/lib/Target/AMDGPU/AMDGPUPrintfRuntimeBinding.cpp

@@ -88,7 +88,7 @@ void AMDGPUPrintfRuntimeBindingImpl::getConversionSpecifiers(
   // are %p and %s, which use to know if we
   // are either storing a literal string or a
   // pointer to the printf buffer.
-  static const char ConvSpecifiers[] = "cdieEfgGaosuxXp";
+  static const char ConvSpecifiers[] = "cdieEfFgGaAosuxXp";
   size_t CurFmtSpecifierIdx = 0;
   size_t PrevFmtSpecifierIdx = 0;