soc/amd/common/psp_gen2: print error for uninitialized MSR_PSP_ADDR

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I8b6362a9eb2344293dad22357651f646774af789
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50448
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/amd/common/block/psp/psp_gen2.c

@@ -14,7 +14,7 @@ static uintptr_t soc_get_psp_base_address(void)
 {
 	uintptr_t psp_mmio = rdmsr(MSR_PSP_ADDR).lo;
 	if (!psp_mmio)
-		printk(BIOS_WARNING, "PSP: MSR_PSP_ADDR uninitialized\n");
+		printk(BIOS_ERR, "PSP: MSR_PSP_ADDR uninitialized\n");
 	return psp_mmio;
 }