soc/amd/stoneyridge: Add ALink-AHB Bridge to iomap.h

Add the address and replace the hardcoded value in the ASL code.

Change-Id: If0b99de78d8c5948e2e5f2aa50dfc2efc1bd1ba1
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32662
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/amd/stoneyridge/acpi/sb_fch.asl

@@ -22,7 +22,7 @@ Device (AAHB)
 	Name (_UID, 0x0)
 	Name (_CRS, ResourceTemplate()
 	{
-		Memory32Fixed (ReadWrite, 0xFEDC0000, 0x2000)
+		Memory32Fixed (ReadWrite, ALINK_AHB_ADDRESS, 0x2000)
 	})
 
 	Method (_STA, 0x0, NotSerialized)

src/soc/amd/stoneyridge/include/soc/iomap.h

@@ -25,6 +25,8 @@
 /* AcpiMmio blocks are at fixed offsets from FED8_0000h, enabled in PMx04[1] */
 #include <amdblocks/acpimmio_map.h>
 
+#define ALINK_AHB_ADDRESS		0xfedc0000
+
 /* I2C fixed address */
 #define I2C_BASE_ADDRESS		0xfedc2000
 #define I2C_DEVICE_SIZE			0x00001000