Makefile: Suppress few warnings with clang

Enable -Wno-misleading-indentation  -Wno-bool-operation options
to suppress these  warnings on clang compilation.

Change-Id: I018b992d126d710cd3548a87287dc5c681cfe400
Signed-off-by: Neeraj Upadhyay <neeraju@codeaurora.org>
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>