[Autobackout][FuncReg]Revert of change: c66eccb

Try enabling the FFID Workaround for TGLLP

Change-Id: I9cc3c40da030ca5b850b343b5a72d1af86ed9c37

Author: mkarigan

IGC/common/igc_flags.def

@@ -286,7 +286,7 @@ DECLARE_IGC_REGKEY(bool, EnableAdvMemOpt,               true,  "Enable advanced
 DECLARE_IGC_REGKEY(bool, UniformMemOptLimit,            0,     "Limit of uniform memory optimization in bits", false)
 DECLARE_IGC_REGKEY(bool, EnableFunctionPointer,         true,  "Enables support for function pointers and indirect calls", false)
 DECLARE_IGC_REGKEY(bool, EnableIndirectCallOptimization, false, "Enables inlining indirect calls by comparing function addresses", false)
-DECLARE_IGC_REGKEY(bool, ForceFFIDOverwrite,            true,   "Force overwriting ffid in sr0.0", false)
+DECLARE_IGC_REGKEY(bool, ForceFFIDOverwrite,            false,   "Force overwriting ffid in sr0.0", false)
 
 DECLARE_IGC_REGKEY(bool, EnableReadGTPinInput,          true,  "Enables setting GTPin context flags by reading the input to the compiler adapters", false)