Fix reset glitch in pwmout_write()

Resetting the timer every time the duty cycle is changed causes unwanted glitches to be produced on the output. These glitches manifest as a tone at the update frequency when PWM is used for class D style audio.
Fix reset glitch in pwmout_write() on LPC13XX

Fixed the same problem as https://github.com/mbedmicro/mbed/pull/289 on the LPC13XX.
Merge pull request #289 from neilt6/master

LPC11UXX and LPCU13XX - Fix reset glitch in pwmout_write()
Fixed a couple of compilation errors in CellularModem
Fix macros for the UBLOX_C027 target
NRF51822 - uvision exporters
[NUCLEO_F401RE] Add auto clock configuration (HSE/HSI)

Solve also the problem with the SetSysClock function not declared in
sleep.c

Conflicts:
	libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/i2c_api.c
Update export/uvision4.py so FRDM-KL05Z uses microlib to match the mbed online IDE.
Merge pull request #299 from sg-/master

Update export/uvision4.py, FRDM-KL05Z uses microlib to match the online mbed.
[LPC11U35_501] Added USBDevice support
Merge pull request #300 from toyowata/master

[LPC11U35_501] USBDevice support
[LPC11U68] Fixed PLL lock issue etc

Fixed PLL lock issue
Corrected system clock related code
Merge pull request #301 from toyowata/master

[LPC11U68] Fixed PLL lock issue etc
[NUCLEO_F401RE] Add PA_7 in AnalogIn pinout
uvision exporter - precompiled headers, flags addition

	- all current templates updated with misc flags option
	- K64F - precompiled headers flag for uvision
[NUCLEO_L152RE] add SPI slave and I2C slave
This change fixes the problem with K64F Ethernet support where after transmitting frames, the buffers were not released so system would eventually running out of memory.

Signed-off-by: unknown <sersca01@SERSCA01-002137.usa.Arm.com>
[NUCLEO_F030R8] Correct PA_7 pwm channel number
Merge pull request #303 from bco2stm/master

[NUCLEO_F030R8] Correct PA_7 pwm channel number
[NUCLEO_F302R8] Correct the pin used for the LEDx definitions