quick-provision: Handle all partition formats

Enhance so quick-provision can handle different partition formats
besides /dev/mmcblk0pX and /dev/sdaX style partitions.

BUG=none
TEST=bash -x /tmp/quick-provision eve-release/R85-13290.0.0
        http://chromeos6-devserver4:8888/download/chromeos-image-archive

Change-Id: I03745552832172a94f3342c52b1481ea0facd2ae
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/2250379
Tested-by: Jae Hoon Kim <kimjae@chromium.org>
Auto-Submit: Jae Hoon Kim <kimjae@chromium.org>
Reviewed-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: David Riley <davidriley@chromium.org>
Commit-Queue: Jae Hoon Kim <kimjae@chromium.org>
1 file changed