src/include: Indent code using tabs

Fix the following error and warning detected by checkpatch.pl:

ERROR: code indent should use tabs where possible
WARNING: please, no spaces at the start of a line

TEST=Build and run on Galileo Gen2

Change-Id: I487771b8f4d7e104457116b772cd32df5cd721a6
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18646
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

src/include/rmodule.h

@@ -45,7 +45,7 @@ int rmodule_load_alignment(const struct rmodule *m);
  * load_offset is the address to load and relocate the rmodule.
  * region_alignment must be a power of 2. */
 int rmodule_calc_region(unsigned int region_alignment, size_t rmodule_size,
-                        size_t *region_size, int *load_offset);
+			size_t *region_size, int *load_offset);
 
 /* Support for loading rmodule stages. This API is only available when
  * using dynamic cbmem because it uses the dynamic cbmem API to obtain