msm-4.14: Fix build error

"python2" is not allowed to be used.

See https://android.googlesource.com/platform/build/+/master/Changes.md#PATH_Tools
for more information.

Change-Id: I5c89d2b955a918fa0cfe1a5358dbb9eb42ac5b3f
Signed-off-by: Bruce Levy <blevy@codeaurora.org>

Makefile

@@ -395,7 +395,7 @@ CHECK		= sparse
 
 # Use the wrapper for the compiler.  This wrapper scans for new
 # warnings and causes the build to stop upon encountering them
-CC		= $(srctree)/scripts/gcc-wrapper.py $(REAL_CC)
+CC		= $(PYTHON) $(srctree)/scripts/gcc-wrapper.py $(REAL_CC)
 
 CHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
 		  -Wbitwise -Wno-return-void $(CF)