9528 Loader man pages should only be installed for x86

*** 11,20 ****
--- 11,21 ----
  
  #
  # Copyright 2011, Richard Lowe
  # Copyright 2015, Joyent, Inc.
  # Copyright 2016 Nexenta Systems, Inc.
+ # Copyright 2018 Gary Mills
  #
  
  include         $(SRC)/Makefile.master
  
  MANSECT=        4
*** 98,108 ****
                  keytables.4                     \
                  krb5.conf.4                     \
                  ldapfilter.conf.4               \
                  ldapsearchprefs.conf.4          \
                  ldaptemplates.conf.4            \
-                 loader.conf.4                   \
                  logadm.conf.4                   \
                  logindevperm.4                  \
                  loginlog.4                      \
                  magic.4                         \
                  mailer.conf.4                   \
--- 99,108 ----
*** 203,213 ****
                  ypserv.4                        \
                  zoneinfo.4
  
  sparc_MANFILES= sbus.4
  
! i386_MANFILES=  sysbus.4
  
  _MANLINKS=      addresses.4                     \
                  devid_cache.4                   \
                  devname_cache.4                 \
                  dir.4                           \
--- 203,214 ----
                  ypserv.4                        \
                  zoneinfo.4
  
  sparc_MANFILES= sbus.4
  
! i386_MANFILES=  loader.conf.4                   \
!                 sysbus.4
  
  _MANLINKS=      addresses.4                     \
                  devid_cache.4                   \
                  devname_cache.4                 \
                  dir.4                           \