acpigen: Add and use acpigen_write_method.

The sequence of bytes to create a method is used several times in codebase.
Put it into a function with logical arguments rather than duplicating magic
bytes everywhere.

Change-Id: I0e55d8dc7d5e8e92a521c7a83117c470d0614008
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7347
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/arch/x86/include/arch/acpigen.h b/src/arch/x86/include/arch/acpigen.h
index d9df5d016a..babfb4014b 100644
--- a/src/arch/x86/include/arch/acpigen.h
+++ b/src/arch/x86/include/arch/acpigen.h
@@ -43,6 +43,7 @@ int acpigen_write_name_dword(const char *name, uint32_t val);
 int acpigen_write_name_qword(const char *name, uint64_t val);
 int acpigen_write_name_byte(const char *name, uint8_t val);
 int acpigen_write_scope(const char *name);
+int acpigen_write_method(const char *name, int nargs);
 int acpigen_write_PPC(u8 nr);
 int acpigen_write_PPC_NVS(void);
 int acpigen_write_empty_PCT(void);