sb/intel/i82801ix: Drop __ASSEMBLER__ guard

No longer needed, this was used with old SMM relocate code.

Change-Id: I7c913e10eb965419c7d2ddede744f8140a5b7976
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74910
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/southbridge/intel/i82801ix/i82801ix.h

@@ -144,7 +144,6 @@
 #define FD_SAD1		(1 <<  2) /* SATA #1 */
 
 #ifndef __ACPI__
-#ifndef __ASSEMBLER__
 
 #include <device/pci_ops.h>
 
@@ -161,7 +160,6 @@ void i82801ix_lpc_setup(void);
 void i82801ix_dmi_setup(void);
 void i82801ix_dmi_poll_vc1(void);
 
-#endif
 #endif
 
 #endif