mb/google/brya/var/omnigul: Modify NVMe and UFS Storage support

mb/google/brya/var/omnigul: Modify NVMe and UFS Storage support

1. Add fw_config:STORAGE_UFS & STORAGE_NVME to switch storage.
2. rp11 off change to on.

BUG:b:263846075
TEST=FW_NAME=omnigul emerge-brya coreboot

Change-Id: I35c02ac9cbb8442d7b4aae57f6c7b576b2b5f77b
Signed-off-by: Jamie Chen <jamie_chen@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72090
Reviewed-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Ian Feng <ian_feng@compal.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>