amd/thatcher: include .c files with the right path

The #include path during compilation already has '-I src'.
Don't encode the src part of a path.

BUG=chrome-os-partner:44827
BRANCH=None
TEST=Built amd/thatcher while compiling romstage.c with C compiler..

Change-Id: If4fb1064a246b4fc11a958b07a0b76d9f9673898
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/11512
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
1 file changed