default-configs: removed obsolete CONFIG_ISA_MMIO

The use of the CONFIG_ISA_MMIO setting was removed in

  commit 61fcb62862
  Author: Paolo Bonzini <pbonzini@redhat.com>
  Date:   Mon Jul 22 15:54:24 2013 +0200

    isa_mmio: delete

but this commit only removed it from some of the default
config files.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-Id: <1473096320-1638-3-git-send-email-berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

default-configs/arm-softmmu.mak

@@ -3,7 +3,6 @@
 include pci.mak
 include usb.mak
 CONFIG_VGA=y
-CONFIG_ISA_MMIO=y
 CONFIG_NAND=y
 CONFIG_ECC=y
 CONFIG_SERIAL=y

default-configs/ppc-softmmu.mak

@@ -3,7 +3,6 @@
 include pci.mak
 include sound.mak
 include usb.mak
-CONFIG_ISA_MMIO=y
 CONFIG_ESCC=y
 CONFIG_M48T59=y
 CONFIG_SERIAL=y

default-configs/ppc64-softmmu.mak

@@ -4,7 +4,6 @@ include pci.mak
 include sound.mak
 include usb.mak
 CONFIG_VIRTIO_VGA=y
-CONFIG_ISA_MMIO=y
 CONFIG_ESCC=y
 CONFIG_M48T59=y
 CONFIG_SERIAL=y

default-configs/sparc64-softmmu.mak

@@ -2,7 +2,6 @@
 
 include pci.mak
 include usb.mak
-CONFIG_ISA_MMIO=y
 CONFIG_M48T59=y
 CONFIG_PTIMER=y
 CONFIG_SERIAL=y