input: touch: raydium: fix panic when touch panel not attached

input: touch: raydium: fix panic when touch panel not attached

Use rm31080_spi_checking() to check if the hardware is present,
and move the checking to the front of the driver init function
so as to avoid registering suspend/resume function which later
causes kernel panic when system suspends.

bug 1207093

Change-Id: I775e4cae70745ee5ef9ae29888a95b4b770df0db
Signed-off-by: Mark Kuo <mkuo@nvidia.com>
Signed-off-by: Shridhar Rasal <srasal@nvidia.com>
Reviewed-on: http://git-master/r/187746
(cherry picked from commit 41f0d55dcf8ea7b6dd47b6ea7c19eff319128784)
Reviewed-on: http://git-master/r/189030
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>