media: imx: imx7_mipi_csis: Update ISP_CONFIG macros for quad pixel mode

The i.MX8MM expands the DOUBLE_CMPNT bit in the ISP_CONFIG register into
a two bits field that support quad pixel mode in addition to the single
and double modes. Update the ISP_CONFIG register macros to support this.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>