Pack: Fixed typo "familiy".

- PDSC version history for 5.6.0
- Core(M) Using page

Change-Id: Ibd70a83c947afa277b90361b06b9c67e2f35f73e

ARM.CMSIS.pdsc

@@ -66,7 +66,7 @@
       CMSIS-Driver: 2.7.1
         - WiFi Interface API 1.0.0
       Devices:
-        - Generalized C startup code for all Cortex-M familiy devices.
+        - Generalized C startup code for all Cortex-M family devices.
         - Updated Cortex-A default memory regions and MMU configurations
         - Moved Cortex-A memory and system config files to avoid include path issues
     </release>

CMSIS/DoxyGen/Core/src/Using.txt

@@ -33,7 +33,7 @@ CMSIS-Pack provides the <b>\#define CMSIS_header_file</b> in <a href="../../Pack
 
 The CMSIS-Core (Cortex-M) system files are device specific. In addition, the deprecated \ref startup_s_pg is also compiler vendor specific.
 The versions provided by CMSIS are only generic templates. The adopted versions for a concrete device are typically provided by the device
-vendor through the according device familiy pack (DFP).
+vendor through the according device family pack (DFP).
 
 For example, the following files are provided by the STM32F10x device family pack: