Added support for the ST nucleo l152re board with a stm32l152ret6 MCU,
analog to st_nucleo_f* configurations.
Change-Id: Id2c61dc7a7cb2e1cc64442191b367bab4247bdeb
Signed-off-by: Thomas Eichinger <eicht@lepus.uberspace.de>
Reviewed-on: http://openocd.zylin.com/2489
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
