soc/amd: Move southbridge_smi_set_eos to common/blocks/smi/smi_util

Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I69466143315c1c9870a97c9ef8f68ed85f38e779
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50415
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/amd/common/block/smi/smi_util.c b/src/soc/amd/common/block/smi/smi_util.c
index 1e4561d..e3379f3 100644
--- a/src/soc/amd/common/block/smi/smi_util.c
+++ b/src/soc/amd/common/block/smi/smi_util.c
@@ -65,6 +65,13 @@
 	smi_write32(SMI_REG_SMITRIG0, reg);
 }
 
+void southbridge_smi_set_eos(void)
+{
+	uint32_t reg = smi_read32(SMI_REG_SMITRIG0);
+	reg |= SMITRG0_EOS;
+	smi_write32(SMI_REG_SMITRIG0, reg);
+}
+
 void soc_route_sci(uint8_t event)
 {
 	smi_write8(SMI_SCI_MAP(event), event);
diff --git a/src/soc/amd/picasso/smihandler.c b/src/soc/amd/picasso/smihandler.c
index 4931de8..faf4f7b 100644
--- a/src/soc/amd/picasso/smihandler.c
+++ b/src/soc/amd/picasso/smihandler.c
@@ -293,10 +293,3 @@
 	if (smi_src & SMI_STATUS_SRC_4)
 		process_smi_sources(SMI_REG_SMISTS4);
 }
-
-void southbridge_smi_set_eos(void)
-{
-	uint32_t reg = smi_read32(SMI_REG_SMITRIG0);
-	reg |= SMITRG0_EOS;
-	smi_write32(SMI_REG_SMITRIG0, reg);
-}
diff --git a/src/soc/amd/stoneyridge/smihandler.c b/src/soc/amd/stoneyridge/smihandler.c
index c8a113c..45dd07d 100644
--- a/src/soc/amd/stoneyridge/smihandler.c
+++ b/src/soc/amd/stoneyridge/smihandler.c
@@ -288,10 +288,3 @@
 	if (smi_src & SMI_STATUS_SRC_4)
 		process_smi_sources(SMI_REG_SMISTS4);
 }
-
-void southbridge_smi_set_eos(void)
-{
-	uint32_t reg = smi_read32(SMI_REG_SMITRIG0);
-	reg |= SMITRG0_EOS;
-	smi_write32(SMI_REG_SMITRIG0, reg);
-}