linux_mtd: move global state into programmer data field

BUG=b:161951062
BRANCH=none
TEST=builds, reading /dev/mtd0 on Oak succeeds

Change-Id: I5ce6900e4892ed5687cfddb245dfe5461a3e2e84
Signed-off-by: Nikolai Artemiev <nartemiev@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/53947
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
1 file changed