cnss2: Add support for additional regulators

Add support for regulators: 1.2V IO, and Antenna sharing
to enable those based on entries in device tree file.

Change-Id: I362f0251ff3923c725f0e2a62922a35149bef3b9
CRs-Fixed: 3338737

cnss2/power.c

@@ -25,6 +25,8 @@
 static struct cnss_vreg_cfg cnss_vreg_list[] = {
 	{"vdd-wlan-core", 1300000, 1300000, 0, 0, 0},
 	{"vdd-wlan-io", 1800000, 1800000, 0, 0, 0},
+	{"vdd-wlan-io12", 1200000, 1200000, 0, 0, 0},
+	{"vdd-wlan-ant-share", 1800000, 1800000, 0, 0, 0},
 	{"vdd-wlan-xtal-aon", 0, 0, 0, 0, 0},
 	{"vdd-wlan-xtal", 1800000, 1800000, 0, 2, 0},
 	{"vdd-wlan", 0, 0, 0, 0, 0},