In some cases callers want to know if a file
exists and, if so, what its type is.
Modify cbfs_locate so that if the pointer is non-NULL,
but has the value 0, the type of the file that
matches the name will be returned.
Change-Id: Ic1349d358c3054207ccbccf3825db56784327ad0
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: https://review.coreboot.org/26279
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>