puff: add pull up Rp to 3A
BRANCH=none
TEST=Verify current can up to 3A after attached usbc dock.
#define CONFIG_USB_PD_DISCHARGE_PPC
#define CONFIG_USB_PD_DUAL_ROLE
#define CONFIG_USB_PD_LOGGING
+#define CONFIG_USB_PD_MAX_SINGLE_SOURCE_CURRENT TYPEC_RP_3A0
#define CONFIG_USB_PD_PORT_MAX_COUNT 1
#define CONFIG_USB_PD_VBUS_DETECT_PPC
#define CONFIG_USBC_PPC_SN5S330
