ARM: dts: msm: Enable 1.8V RGMII mode on SA415M CCARD

Enable 1.8V for SA415M CCARD board. Move PMIC pinctrl
settings to the pinctrl dtsi file. Enable GPIO_09 only
for CCARD boards which use 1.8V to drive RGMII IO lines.

Change-Id: I58561d9fa633a6b108bf34a6020f96dfa6343e39
Acked-by: Rahul Kawadgave <rahulak@codeaurora.org>
Signed-off-by: Gustavo Solaira <gustavos@codeaurora.org>