Changed stm32f401 to stm32f411
Merge pull request #430 from 23chrischen/master

[NUCLEO_F411RE] Naming corrections - Changed stm32f401 to stm32f411
Restored Nordic soft device directory
Merge branch 'master' of github.com:mbedmicro/mbed
[Exporters] Nordic - uvision - RAM fix and mergehex removal
Added the symbol PinMap_I2C_SDA[] and PinMap_I2C_SCL[] to the PeripheralPins.c file. Compiled against uARM, ARM, and GCC_ARM.
[LPC1549] Add support for GCC_ARM
[LPC1549][GCC_ARM] Add export functionality
fixes to NRF51822 GCC template
fixed L6235E link error for Xadow M0
Merge pull request #432 from Experiment-626/master

[GHI_MBUINO] Added the symbol PinMap_I2C_SDA[] and PinMap_I2C_SCL[] to the Peripheral...
workaround for --gc-sections issue with NRF51822
fix for NRF51822 linker script
adding --gc-sections back in to the template
getting up to date with upstream
Merge remote-tracking branch 'upstream/master'
Merge pull request #436 from xiongyihui/variant_bug

fixed L6235E link error for Xadow M0
Merge pull request #434 from chrta/add_lpc1549_gcc_arm

[LPC1549] Add support for GCC_ARM
Compile LPC1549 with GCC_ARM under Travis
add DISCO_F407VG's uvision support
Merge pull request #439 from xiongyihui/stm32f407

[Exporters] add DISCO_F407VG's uvision support