update CMSIS to 5.1.2

this changes comes from Atmel START

Change-Id: Ib9b00107836c1604c7169d69ba607fead8c55355
diff --git a/sysmoOCTSIM/AtmelStart.gpdsc b/sysmoOCTSIM/AtmelStart.gpdsc
index 05dcb15..75029a0 100644
--- a/sysmoOCTSIM/AtmelStart.gpdsc
+++ b/sysmoOCTSIM/AtmelStart.gpdsc
@@ -23,7 +23,7 @@
   <conditions>
     <condition id="CMSIS Device Startup">
       <description>Dependency on CMSIS core and Device Startup components</description>
-      <require Cclass="CMSIS" Cgroup="CORE" Cversion="5.0.1"/>
+      <require Cclass="CMSIS" Cgroup="CORE" Cversion="5.1.2"/>
       <require Cclass="Device" Cgroup="Startup" Cversion="1.0.0"/>
     </condition>
     <condition id="ARMCC, GCC, IAR">