iomux-v3: Take mx6dqp in consideration for imx_iomux_v3_setup_pad()

We should take the MX6DP and MX6QP options in consideration
when defining imx_iomux_v3_setup_pad().

Based on a patch by Pierluigi Passaro <pierluigi.p@variscite.com>

Signed-off-by: Eran Matityahu <eran.m@variscite.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>

arch/arm/include/asm/mach-imx/iomux-v3.h

@@ -260,7 +260,7 @@ void imx_iomux_gpio_get_function(unsigned int gpio,
 #if defined(CONFIG_MX6QDL)
 #define IOMUX_PADS(x) (MX6Q_##x), (MX6DL_##x)
 #define SETUP_IOMUX_PAD(def)					\
-if (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D)) {				\
+if (is_mx6dq() || is_mx6dqp()) {				\
 	imx_iomux_v3_setup_pad(MX6Q_##def);			\
 } else {							\
 	imx_iomux_v3_setup_pad(MX6DL_##def);			\