regulator: cprh-kbss-regulator: support the force highest corner fuse

Add support for the MSMCOBALT force highest corner fuse. This
fuse is set on parts which can only operate consistently when
the highest corner's voltage is applied to all of the lower
corners.

CRs-Fixed: 1051261
Change-Id: I442e87e780a790d0f00aa62bc0534b6f017fc02c
Signed-off-by: Osvaldo Banuelos <osvaldob@codeaurora.org>