SWDEV-273235 - Allow explicitly disabling LF support
SWDEV-273235 - Allow explicitly disabling LF support

Currently LiquidFlash cannot be supported from Github Enterprise,
hence we need to be able to build with out it.

Allow this by setting -DWITH_LIQUID_FLASH=0.

Change-Id: I975e8ee16b7ba033e3eb95fe40955d8c1d4779b7

ROCm-Developer-Tools/ROCclr,ROCm-Developer-Tools/ROCclr