inteltool: dump gfx registers.

Useful for autoport and other gfx-related developpement.

Change-Id: I1fc0952bc30ab15cd39a4f0c00649714dcf318f3
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/10276
Tested-by: build bot (Jenkins)
Reviewed-by: Philipp Deppenwiese <zaolin@das-labor.org>

util/inteltool/Makefile

@@ -27,7 +27,7 @@ PREFIX  ?= /usr/local
 CFLAGS  ?= -O2 -g -Wall -W
 LDFLAGS += -lpci -lz
 
-OBJS = inteltool.o cpu.o gpio.o rootcmplx.o powermgt.o memory.o pcie.o amb.o ivy_memory.o spi.o
+OBJS = inteltool.o cpu.o gpio.o rootcmplx.o powermgt.o memory.o pcie.o amb.o ivy_memory.o spi.o gfx.o
 
 OS_ARCH	= $(shell uname)
 ifeq ($(OS_ARCH), Darwin)