arch/x86/acpigen: Add additional opcodes

Add additional ACPI opcodes, that are going to be used in the
following commits.

Change-Id: I20c3aa5a1412e5ef68831027137e9ed9e26ddbc9
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/20087
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>

src/arch/x86/include/arch/acpigen.h

@@ -53,6 +53,7 @@ enum {
 	DUAL_NAME_PREFIX	= 0x2E,
 	MULTI_NAME_PREFIX	= 0x2F,
 	EXT_OP_PREFIX		= 0x5B,
+	 CREATEFIELD_OP		= 0x13,
 	 SLEEP_OP		= 0x22,
 	 DEBUG_OP		= 0x31,
 	 OPREGION_OP		= 0x80,
@@ -76,10 +77,14 @@ enum {
 	ARG5_OP		= 0x6D,
 	ARG6_OP		= 0x6E,
 	STORE_OP		= 0x70,
+	SUBTRACT_OP		= 0x74,
+	MULTIPLY_OP		= 0x77,
 	AND_OP			= 0x7B,
 	OR_OP			= 0x7D,
 	NOT_OP			= 0x80,
 	LEQUAL_OP		= 0x93,
+	LGREATER_OP		= 0x94,
+	LLESS_OP		= 0x95,
 	TO_BUFFER_OP		= 0x96,
 	TO_INTEGER_OP		= 0x99,
 	IF_OP			= 0xA0,