sb/intel: Extract `set_global_reset` function

To avoid duplicating this function in ramstage, factor it out.

Change-Id: I64c59a01ca153770481c28ae404a5dfe8c5382d2
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50362
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Evgeny Zinoviev <me@ch1p.io>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/src/southbridge/intel/bd82x6x/early_me.c b/src/southbridge/intel/bd82x6x/early_me.c
index 6320d2e..09e5f39 100644
--- a/src/southbridge/intel/bd82x6x/early_me.c
+++ b/src/southbridge/intel/bd82x6x/early_me.c
@@ -7,6 +7,7 @@
 #include <delay.h>
 #include <device/pci_def.h>
 #include <halt.h>
+#include <southbridge/intel/common/me.h>
 #include <string.h>
 #include <timestamp.h>
 #include "me.h"
@@ -91,22 +92,6 @@
 	return 0;
 }
 
-static inline void set_global_reset(int enable)
-{
-	u32 etr3 = pci_read_config32(PCH_LPC_DEV, ETR3);
-
-	/* Clear CF9 Without Resume Well Reset Enable */
-	etr3 &= ~ETR3_CWORWRE;
-
-	/* CF9GR indicates a Global Reset */
-	if (enable)
-		etr3 |= ETR3_CF9GR;
-	else
-		etr3 &= ~ETR3_CF9GR;
-
-	pci_write_config32(PCH_LPC_DEV, ETR3, etr3);
-}
-
 int intel_early_me_init_done(u8 status)
 {
 	u8 reset, errorcode, opmode;