Added support for APC Galaxy 5500 UPS

Signed-off-by: mjastrzebski <jasmati09@gmail.com>

drivers/Makefile.am

@@ -245,7 +245,7 @@ mge_shut_LDADD = $(LDADD) -lm
 # Please keep the MIB table below sorted roughly alphabetically (incidentally
 # by vendor too) to ease maintenance and codebase fork resynchronisations
 snmp_ups_SOURCES = snmp-ups.c snmp-ups-helpers.c \
- apc-mib.c apc-pdu-mib.c apc-epdu-mib.c \
+ apc-mib.c apcgalaxy5500-mib.c apc-pdu-mib.c apc-epdu-mib.c \
  baytech-mib.c bestpower-mib.c \
  compaq-mib.c cyberpower-mib.c \
  delta_ups-mib.c \
@@ -343,7 +343,7 @@ nutdrv_qx_SOURCES += $(NUTDRV_QX_SUBDRIVERS)
 # tracking (which is automatic), but to ensure these files are
 # distributed by "make dist".
 
-dist_noinst_HEADERS = apc-mib.h apc-iem-mib.h apc-hid.h arduino-hid.h baytech-mib.h bcmxcp.h bcmxcp_ser.h	\
+dist_noinst_HEADERS = apc-mib.h apcgalaxy5500-mib.h apc-iem-mib.h apc-hid.h arduino-hid.h baytech-mib.h bcmxcp.h bcmxcp_ser.h	\
  bcmxcp_io.h belkin.h belkin-hid.h bestpower-mib.h blazer.h cps-hid.h dstate.h	\
  dummy-ups.h explore-hid.h gamatronic.h genericups.h	\
  generic_gpio_common.h generic_gpio_libgpiod.h	\