InvenSense Motion Driver v5.1.2 ported

Dependents:   Sensorv2

Revision:
2:cc98c4808b28
Parent:
0:4dd021344a6b
--- a/inv_mpu.cpp	Tue Jun 03 07:54:12 2014 +0000
+++ b/inv_mpu.cpp	Fri Jun 13 18:26:19 2014 +0000
@@ -755,7 +755,7 @@
         return -1;
     }
 //    PRINTLN("Device Reset");
-    wait_ms(100);
+    wait_ms(50);
 
     /* Wake up chip. */
     data[0] = 0x00;