module/cmn_cyprus: suppress release build warnings
A couple of helper functions and variables in the CMN Cyprus driver are used only in the Debug build. So, if the module is compiled in a Release build, the compiler throws unused variable/function warnings. Hence, add workaround to suppress the warning.
Signed-off-by: Shriram K shriram.k@arm.com Change-Id: I99fcc836f3a039655880fb0b861e1e883a0de3bf