V4L/DVB (4106): Fix problems with AV7110 firmware building

Fix missing $() on variable name in dvb/ttpci/Makefile
Fix AV7110 firmware dependencies so that parallel builds work correctly.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/dvb/ttpci/Makefile

@@ -15,9 +15,9 @@ EXTRA_CFLAGS = -Idrivers/media/dvb/dvb-core/ -Idrivers/media/dvb/frontends/
 
 hostprogs-y	:= fdump
 
-ifeq (CONFIG_DVB_AV7110_FIRMWARE,y)
-$(obj)/av7110.o: $(obj)/fdump $(obj)/av7110_firm.h
+ifeq ($(CONFIG_DVB_AV7110_FIRMWARE),y)
+$(obj)/av7110.o: $(obj)/av7110_firm.h
 
-$(obj)/av7110_firm.h:
+$(obj)/av7110_firm.h: $(obj)/fdump
 	$(obj)/fdump $(CONFIG_DVB_AV7110_FIRMWARE_FILE) dvb_ttpci_fw $@
 endif