manibuilder/anita: Fix ccache image for non-x86

There is no disk label `a` on non-x86 (at least not on Sparc64).
Instead, we use the whole disk which is `d` on x86 and `c` else-
where. `newfs` and `fsck` needs a little help in this scenario.

Change-Id: Ib298d9cbf5d49ff38a898f4ce3ad54bb6af98d86
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/52482
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
1 file changed