soc/intel/alderlake: Update soundwire master count

This patch includes changes to update the soundwire master count.

Change-Id: Iffaf90569c19fb5ca3ce4775cc6dc6f8093f7c52
Signed-off-by: Sugnan Prabhu S <sugnan.prabhu.s@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54719
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>

src/soc/intel/alderlake/soundwire.c

@@ -37,7 +37,7 @@ static const struct soundwire_link link_xtal_24 = {
 static struct intel_soundwire_controller intel_controller = {
 	.acpi_address = 0x40000000,
 	.sdw = {
-		.master_list_count = 1
+		.master_list_count = 4
 	}
 };