RE: [tip:x86/mrst] x86, pic: Introduce legacy_pic abstraction

[Pan, Jacob jun]

this patch replaces the current one with section mismatch fix in i8259.c.

static void legacy_pic_noop(void) { };
static void legacy_pic_uint_noop(unsigned int unused) { };
static void legacy_pic_int_noop(int unused) { };