src/include: Wrap lines at 80 columns

Fix the following warning detected by checkpatch.pl:

WARNING: line over 80 characters

Changed a few comments to reduce line length.  File
src/include/cpu/amd/vr.h was skipped.

TEST=Build and run on Galileo Gen2

Change-Id: Ie3c07111acc1f89923fb31135684a6d28a505b61
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18687
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

src/include/cbfs.h

@@ -50,7 +50,9 @@ size_t cbfs_boot_load_struct(const char *name, void *buf, size_t buf_size);
 size_t cbfs_load_and_decompress(const struct region_device *rdev, size_t offset,
 	size_t in_size, void *buffer, size_t buffer_size, uint32_t compression);
 
-/* Return the size and fill base of the memory pstage will occupy after loaded. */
+/* Return the size and fill base of the memory pstage will occupy after
+ * loaded.
+ */
 size_t cbfs_prog_stage_section(struct prog *pstage, uintptr_t *base);
 
 /* Load stage into memory filling in prog. Return 0 on success. < 0 on error. */