sb/intel/bd82x6x: Drop PCI resource reg override

Assignment of PCI resource registers is up to the allocator. Therefore,
drop override of the PCI resource register.

Change-Id: I184a263c81aa8a434fcd153406b73058914cb2f9
Signed-off-by: Felix Singer <felix.singer@secunet.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40230
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
diff --git a/src/southbridge/intel/bd82x6x/sata.c b/src/southbridge/intel/bd82x6x/sata.c
index 310d1a2..2693e2b 100644
--- a/src/southbridge/intel/bd82x6x/sata.c
+++ b/src/southbridge/intel/bd82x6x/sata.c
@@ -114,10 +114,7 @@
 	        /* IDE */
 		printk(BIOS_DEBUG, "SATA: Controller in plain mode.\n");
 
-		/* No AHCI: clear AHCI base */
-		pci_write_config32(dev, 0x24, 0x00000000);
-
-		/* And without AHCI BAR no memory decoding */
+		/* Without AHCI BAR no memory decoding */
 		reg16 = pci_read_config16(dev, PCI_COMMAND);
 		reg16 &= ~PCI_COMMAND_MEMORY;
 		pci_write_config16(dev, PCI_COMMAND, reg16);