PEL: Fix trailing space in subsystem name

The 'Memory' PEL subsystem description had a trailing space.  Remove it
so peltool doesn't display it.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I0e38cac855a314205cc7b1bb64d3c8177ce82578
diff --git a/extensions/openpower-pels/pel_values.cpp b/extensions/openpower-pels/pel_values.cpp
index b26fb70..2e5b32d 100644
--- a/extensions/openpower-pels/pel_values.cpp
+++ b/extensions/openpower-pels/pel_values.cpp
@@ -35,7 +35,7 @@
     {0x13, "processor_unit", "Processor Unit (CPU)"},
     {0x14, "processor_bus", "Processor Bus Controller"},
 
-    {0x20, "memory", "Memory "},
+    {0x20, "memory", "Memory"},
     {0x21, "memory_ctlr", "Memory Controller"},
     {0x22, "memory_bus", "Memory Bus Interface"},
     {0x23, "memory_dimm", "Memory DIMM"},