arm/mx2: use per-SOC nand device

The previous commit introduced one nand device per SoC.  Use this
directly instead of the compatibility macro that will break for
multi-SoC kernels.  And while at it remove the compatibility macro now
that all in-tree users are fixed.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
diff --git a/arch/arm/mach-mx2/mach-mxt_td60.c b/arch/arm/mach-mx2/mach-mxt_td60.c
index df954d8..43a4e86 100644
--- a/arch/arm/mach-mx2/mach-mxt_td60.c
+++ b/arch/arm/mach-mx2/mach-mxt_td60.c
@@ -257,7 +257,7 @@
 	mxc_register_device(&mxc_uart_device0, &uart_pdata[0]);
 	mxc_register_device(&mxc_uart_device1, &uart_pdata[1]);
 	mxc_register_device(&mxc_uart_device2, &uart_pdata[2]);
-	mxc_register_device(&mxc_nand_device, &mxt_td60_nand_board_info);
+	mxc_register_device(&imx27_nand_device, &mxt_td60_nand_board_info);
 
 	i2c_register_board_info(0, mxt_td60_i2c_devices,
 				ARRAY_SIZE(mxt_td60_i2c_devices));