Add docker-p4 to all tagets for p4 platform (#107)

Add dependency on p4 switch for libsairedis

Author: marian-pritsak

platform/p4/rules.mk

@@ -4,3 +4,8 @@ include $(PLATFORM_PATH)/p4-hlir.mk
 include $(PLATFORM_PATH)/p4c-bm.mk
 include $(PLATFORM_PATH)/tenjin.mk
 include $(PLATFORM_PATH)/docker-sonic-p4.mk
+
+SONIC_ALL += $(DOCKER_SONIC_P4)
+
+$(LIBSAIREDIS)_DEPENDS += $(P4_SWITCH)
+$(LIBSAIREDIS)_RDEPENDS += $(P4_SWITCH)