soc/amd: factor out vbnv_cmos_failed() into soc/amd/common/vboot

Change-Id: I7f976c6c5a2a715e1a5372bb93fe657d0d86c848
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47584
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/amd/picasso/Makefile.inc

@@ -23,14 +23,12 @@ bootblock-y += tsc_freq.c
 bootblock-y += gpio.c
 bootblock-y += smi_util.c
 bootblock-y += config.c
-bootblock-y += pmutil.c
 bootblock-y += reset.c
 bootblock-$(CONFIG_VBOOT_STARTS_BEFORE_BOOTBLOCK) += bootblock/vboot_bootblock.c
 
 romstage-y += i2c.c
 romstage-y += romstage.c
 romstage-y += gpio.c
-romstage-y += pmutil.c
 romstage-y += reset.c
 romstage-y += memmap.c
 romstage-y += uart.c
@@ -45,7 +43,6 @@ romstage-y += config.c
 romstage-y += mrc_cache.c
 
 verstage-y += i2c.c
-verstage-y += pmutil.c
 verstage-y += config.c
 verstage-y += aoac.c
 verstage_x86-y += gpio.c
@@ -66,7 +63,6 @@ ramstage-$(CONFIG_HAVE_ACPI_TABLES) += agesa_acpi.c
 ramstage-y += gpio.c
 ramstage-y += aoac.c
 ramstage-y += southbridge.c
-ramstage-y += pmutil.c
 ramstage-y += reset.c
 ramstage-y += acp.c
 ramstage-y += sata.c