cnss2: Update device MMIO region length for MHI core

It can be used by MHI core to have a sanity check for
bhi and bhie offsets reported by device.

Change-Id: Ibcdef53a4c1f7c951721cbec0b1d7285cf19cd72
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
1 file changed