ARM: imx: Add msl code support for imx6qp

The i.MX6QP is a different SOC, but internally we treate it as i.MX6Q
Rev_2.0 to maximum the code reusability. The chip silicon number we
read from the ANADIG_DIGPROG is 0x630100. This patch add code to
identify it as i.MX6QP Rev_1.0 when print out the silicon version.

Signed-off-by: Bai Ping <ping.bai@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/mach-imx/anatop.c

@@ -129,7 +129,14 @@ void __init imx_init_revision_from_anatop(void)
 
 	switch (digprog & 0xff) {
 	case 0:
-		revision = IMX_CHIP_REVISION_1_0;
+		/*
+		 * For i.MX6QP, most of the code for i.MX6Q can be resued,
+		 * so internally, we identify it as i.MX6Q Rev 2.0
+		 */
+		if (digprog >> 8 & 0x01)
+			revision = IMX_CHIP_REVISION_2_0;
+		else
+			revision = IMX_CHIP_REVISION_1_0;
 		break;
 	case 1:
 		revision = IMX_CHIP_REVISION_1_1;