Remove no_export tag on attributes that processMRW needs value for

The initial commit adding no_export tags went a little too far.
processMrw.pl is calling ATTR_GET on the attributes which this commit
removes the no_export tag from.

Change-Id: I2716f6f50b1a69b2bcd84050a2dd548f7a23cf4b
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/45381
Reviewed-by: Prachi Gupta <pragupta@us.ibm.com>
Reviewed-by: Matt Derksen <mderkse1@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

src/usr/targeting/common/xmltohb/attribute_types.xml

@@ -156,7 +156,6 @@
     </nativeType>
     <persistency>non-volatile</persistency>
     <readable></readable>
-    <no_export/>
   </attribute>
 
   <attribute>
@@ -1063,7 +1062,6 @@
         <default>0</default>
       </uint16_t>
     </simpleType>
-    <no_export/>
   </attribute>
 
   <attribute>
@@ -1086,7 +1084,6 @@
       </uint8_t>
     </simpleType>
     <writeable></writeable>
-    <no_export/>
   </attribute>
 
   <attribute>
@@ -1109,7 +1106,6 @@
       </uint8_t>
     </simpleType>
     <writeable></writeable>
-    <no_export/>
   </attribute>
 
   <attribute>
@@ -3416,7 +3412,6 @@
             0,0,0,0,0,0,0,0,0,0,0,0,0</default>
       </uint16_t>
     </simpleType>
-    <no_export/>
   </attribute>
 
   <attribute>
@@ -5967,7 +5962,6 @@
     </simpleType>
     <persistency>non-volatile</persistency>
     <readable/>
-    <no_export/>
 </attribute>
 
 <attribute>
@@ -5980,7 +5974,6 @@
     </simpleType>
     <persistency>non-volatile</persistency>
     <readable/>
-    <no_export/>
 </attribute>
 
 <attribute>