quark: Enable HSUART0 as console

The use of HSUART0 on galileo requires early initialization of the I2C
GPIO expanders to direct the RXD and TXD signals to DIGITAL 0 and 1
on the expansion connector.

TEST=None

Change-Id: I11195d79e954c1f6bc91eafe257d7ddc1310b2e7
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/15010
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

src/soc/intel/quark/include/soc/pci_devs.h

@@ -33,11 +33,14 @@
 
 /* IO Fabric 1 */
 #define SIO1_DEV		0x14
+#define HSUART0_DEV		SIO1_DEV
 #define HSUART1_DEV		SIO1_DEV
+#define HSUART0_FUNC		1
 #define USB_DEV_PORT_FUNC	2
 #define EHCI_FUNC		3
 #define OHCI_FUNC		4
 #define HSUART1_FUNC		5
+#define HSUART0_BDF	PCI_DEV(PCI_BUS_NUMBER_QNC, HSUART0_DEV, HSUART0_FUNC)
 #define HSUART1_BDF	PCI_DEV(PCI_BUS_NUMBER_QNC, HSUART1_DEV, HSUART1_FUNC)
 
 /* IO Fabric 2 */

src/soc/intel/quark/include/soc/reg_access.h

@@ -203,7 +203,6 @@ enum {
 	REG_USB_RXW(reg_, 0xffffffff, value_)
 
 void *get_i2c_address(void);
-void mainboard_gpio_init(void);
 void mainboard_gpio_pcie_reset(uint32_t pin_value);
 void mcr_write(uint8_t opcode, uint8_t port, uint32_t reg_address);
 uint32_t mdr_read(void);