misc: qfp_fuse: Add the open firmware support

Added the open firmware support in the driver. Base physical address
is passed instead of remapped address to the driver. The probe
function is modified to ioremap the address.

Change-Id: I167e3a158f970d7578a18638b197b28490727b71
Acked-by: Kaushik Sikdar <ksikdar@qti.qualcomm.com>
Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>