security: pfe: Set DUN size according to file system and storage type

EXT4 FS and F2FS has different way of setting Data Unit Number (DUN)
size value for UFS and eMMC storage devices. EXT4 FS uses sector number
while F2FS uses inode|pgidx. Check Storage and file system type
before setting the DUN value in Inline Crypto Engine (ICE).

Change-Id: I2de18ddd8908ce63b6d54b34b21d750d79f49cc2
Signed-off-by: Neeraj Soni <neersoni@codeaurora.org>
Signed-off-by: Shivaprasad Hongal <shongal@codeaurora.org>