Changed "Cortex-M4" to "Cortex-M4F"

This got reverted but wasn't added back in the last SDK build. Would appreciate if the online compiler would include this.
[nrf51822][gcc_arm][c++]: fix 'impossible constraint in asm' error, used by ble app
[nrf51822][gcc_arm]: fix softdevice path and srec_cat params of makefile templates
[LPC4337] first commit

just confirmed with >workspace_tools\make.py -m LPC4337_M4 -t ARM -p 25
Merge remote-tracking branch 'upstream/master'
[LPC4337] move files from LPC43XX to LPC4330
[LPC4337] renamed target name from LPC4337_M4 to LPC4337
STMs: Microlib heap fix for new, malloc and friends

heap can grow outside 0x400 default size and does not overlap stack
area.
Fix I2C0 pin init
[NUCLEO_L152RE] Enable HSI clock for ADC
Merge pull request #468 from xiongyihui/dev

[nrf51822][gcc_arm]: fix makefile templates and nrf_svc.h's 'impossible constraint in asm' error
Merge branch 'master' of https://github.com/mbedmicro/mbed
Removed unnecessary import
Fixed small typu and added print to RTC host test
Added simple compiler path check on --config switch
For HRM1017 (nRF51822), setup the internal RC clock instead of the low-frequency crystal.
Change request from Tsuboi San.
Merge pull request #478 from bcostm/master

[NUCLEO_L152RE] Enable HSI clock for ADC
[LPC4337] support Rev.B board on PinNames.h
Merge remote-tracking branch 'upstream/master'
For timer / timeout related tests deviation changed to +/- 10% - some boards can run on not precise quartz / RC oscilators