msm: camera: Fix for csi and vfe driver issues

1.enable csi lanes based on lane count and Update
  csi irq to IRQF_TRIGGER_HIGH
2.update vfe driver not to send any command when
  the table command is in progress

Change-Id: If35c673e432ff54ce9ac5a20350fc0e7068d18e4
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>