acpi_add_ssdt_pstates: Remove function.

Nowhere in database p_state_num is set. So this whole function ends up
being a noop. Moreover the offsets used by it are wrong with any
optimizing iasl. Remove it in preparation of move to per-device ACPI.

Change-Id: I1f1f9743565aa8f0b8fca472ad4cb6d7542fcecb
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7012
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins)

src/include/cpu/amd/amdfam10_sysconf.h

@@ -56,8 +56,6 @@ struct amdfam10_sysconf_t {
 
 	msr_t msr_pstate[NODE_NUMS * 5]; // quad cores all cores in one node should be the same, and p0,..p5
 	unsigned needs_update_pstate_msrs;
-	struct p_state_t p_state[NODE_NUMS * 5];
-	unsigned p_state_num;
 
 	unsigned bsp_apicid;
 	int enabled_apic_ext_id;