STM32 Serial:  Don't compile up_earlyserialinit() if USE_EARLYSERIALINIT is not define.  Otherwise, a macro definition clobbers the function definition
EFM32: Update a configuration; Compile fix for when DEBUG is enabled
EFM32:  Correct a typo in LFXO bit in clock configuration
SAM4E: Fix error TC header file
EFM32G: Fix typo in memory map header file
EFM32: Fix GPIO configuration logic; Add missing board initializatin logic; Fix LED naming
EFM32: Add missing shift of register value
Oops... fix an error in an assertion of last commit
EFM32:  Need to configure UART GPIOs as outputs
SAM4: Fix a usbnsh build problem that has crept into all serial drivers
Fix a few more EFM32 integration bugs
EFM32: Implement HFPERCLK logic
EFM32: Minor serial interrupt mask change; Add LEUART0 board support
EFM32: Various fixes for LEUART build
Fix problem with trailing whitespace (newline) in Telnet username/password.  Noted by Lazlo
Fix some typos
EFM32: In order to use LEUART, LE clocking must be enabled
EFM32 Gecko Starter Kit:  Switch to LEUART0 as the default console
Update ChangeLog
EFM32 Gecko Starter Kit:  Calibrate delay loops, update README