ENGR00219016-3 MX6Q SMD: Set HDMI event as event 2 of SDMA event

If MX6q chip version is bigger than TO1.2, Select HDMI SDMA
request as SDMA event 2 for MX6Q ARM2 board. SDMA event 2 can be
configured HDMI or IPU.
Signed-off-by: Chen Liangjun <b36089@freescale.com>

arch/arm/mach-mx6/board-mx6q_sabresd.c

@@ -1277,6 +1277,10 @@ static void hdmi_init(int ipu_id, int disp_id)
 
 	/* GPR3, bits 2-3 = HDMI_MUX_CTL */
 	mxc_iomux_set_gpr_register(3, 2, 2, hdmi_mux_setting);
+
+	/* Set HDMI event as SDMA event2 while Chip version later than TO1.2 */
+	if ((mx6q_revision() > IMX_CHIP_REVISION_1_1))
+		mxc_iomux_set_gpr_register(0, 0, 1, 1);
 }
 
 /* On mx6x sabresd board i2c2 iomux with hdmi ddc,