fix m fastboot_info

m fastboot_info was not working. make syntax is weird

Test: m fastboot_info
Change-Id: Ifebb6e40f2c19f00436afa719259df97ce929490
diff --git a/core/Makefile b/core/Makefile
index 7083f83..0d4e57e 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -5308,13 +5308,13 @@
 	$(hide) echo "flash vendor_boot" >> $@
 endif
 ifneq (,$(strip $(BOARD_AVB_VBMETA_CUSTOM_PARTITIONS)))
-	$(hide) $(foreach partition,$(BOARD_AVB_VBMETA_CUSTOM_PARTITIONS),\
-	  $(hide) echo "flash --apply-vbmeta vbmeta_$(partition)" >> $@;)
+	$(hide) $(foreach partition,$(BOARD_AVB_VBMETA_CUSTOM_PARTITIONS), \
+	  echo "flash --apply-vbmeta vbmeta_$(partition)" >> $@;)
 endif
 endif # BOARD_AVB_ENABLE
 	$(hide) echo "reboot fastboot" >> $@
 	$(hide) echo "update-super" >> $@
-	$(foreach partition,$(BOARD_SUPER_PARTITION_PARTITION_LIST), \
+	$(hide) $(foreach partition,$(BOARD_SUPER_PARTITION_PARTITION_LIST), \
 	  echo "flash $(partition)" >> $@;)
 ifdef BUILDING_SYSTEM_OTHER_IMAGE
 	$(hide) echo "flash --slot-other system system_other.img" >> $@