Disable fast reboot on OmniOS, and fix AD_FASTREBOOT spelling error.

*** 90,102 ****
          <property_group name='config' type='application'>
                  <stability value='Stable' />
                  <propval name='auto-reboot-safe' type='boolean'
                      value='false' />    
                  <propval name='fastreboot_default' type='boolean'
!                     value='true' />
                  <propval name='fastreboot_onpanic' type='boolean'
!                     value='true' />
                  <propval name='value_authorization' type='astring'
                      value='solaris.system.shutdown' />
                  <propval name='uadmin_boot_archive_sync' type='boolean'
                      value='false' />    
          </property_group>
--- 90,102 ----
          <property_group name='config' type='application'>
                  <stability value='Stable' />
                  <propval name='auto-reboot-safe' type='boolean'
                      value='false' />    
                  <propval name='fastreboot_default' type='boolean'
!                     value='false' />
                  <propval name='fastreboot_onpanic' type='boolean'
!                     value='false' />
                  <propval name='value_authorization' type='astring'
                      value='solaris.system.shutdown' />
                  <propval name='uadmin_boot_archive_sync' type='boolean'
                      value='false' />    
          </property_group>
*** 157,167 ****
                              Fast Reboot by Default
                              </loctext>
                          </common_name>
                          <description>
                              <loctext xml:lang='C'>
! When set to true, reboot(1M) and init(1M) 6 will call uadmin(2) with AD_FASTREOOT, which will bypass firmware.
                              </loctext>
                          </description>
                      </prop_pattern>
                      <prop_pattern name='fastreboot_onpanic' type='boolean'
                          required='true'>
--- 157,167 ----
                              Fast Reboot by Default
                              </loctext>
                          </common_name>
                          <description>
                              <loctext xml:lang='C'>
! When set to true, reboot(1M) and init(1M) 6 will call uadmin(2) with AD_FASTREBOOT, which will bypass firmware.
                              </loctext>
                          </description>
                      </prop_pattern>
                      <prop_pattern name='fastreboot_onpanic' type='boolean'
                          required='true'>