msm: camera: isp: Add check to dump supported fifo level registers in shima

Add check to dump supported debug register for shima target.
This change prevent unexpected behaviour during reading
unsupported fifo level register.

CRs-Fixed: 2770220
Change-Id: I33608e1ef92ca45acdc04667f61bb2d1536cbb8b
Signed-off-by: Chandan Kumar Jha <cjha@codeaurora.org>