s390/hwsampler: Updated misleading member names in hws_data_entry

There is a misleading naming of the program parameter fields, so
correct them according to their names as outlined in
"The Load-Program-Parameter and the CPU-measurement Facilities"
(SA23-2260-03).

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/oprofile/hwsampler.h b/arch/s390/oprofile/hwsampler.h
index 1912f3b..0022e1e 100644
--- a/arch/s390/oprofile/hwsampler.h
+++ b/arch/s390/oprofile/hwsampler.h
@@ -81,8 +81,8 @@
 	unsigned int:16;
 	unsigned int prim_asn:16;   /* primary ASN                       */
 	unsigned long long ia;      /* Instruction Address               */
-	unsigned long long lpp;     /* Logical-Partition Program Param.  */
-	unsigned long long vpp;     /* Virtual-Machine Program Param.    */
+	unsigned long long gpp;     /* Guest Program Parameter		 */
+	unsigned long long hpp;     /* Host Program Parameter		 */
 };
 
 struct hws_trailer_entry {