Bump pack version to 5.6.0-rc1
<url>http://www.keil.com/pack/</url>
<releases>
- <release version="5.6.0-rc0">
+ <release version="5.6.0-rc1">
Active development...
CMSIS-Core(M): 5.3.0 (see revision history for details)
- Added provisions for compiler-independent C startup code.
