add function to send command strobes
partial packet handler setup
allow 32-bit repeated syncword
define sync word matching mode
more register definitions

enable GMSK

explicit that ASK/OOK is not supported yet
set msk phase shift duration when selecting msk

add settings to set default freq at boot
more cc1101 config

Move: CONFIG_ADC_NO_START_CONV from drivers/adc/Kconfig to arch/arm/src/stm32[f7]/Kconfig as STM32[F7]_ADC_NO_START_CONV.  Refresh all configurations with any reference to CONFIG_ADC_NO_START_CONV.

add getpreamblelen
add comments

Enable by setting the IFF_TAP flag instead of the IFF_TUN flag in ifr_flags.

New interface allows checking if RTC time has been set.  This allows to application to detect if RTC has valid time (after
reset) or should application attempt to get real time by other means (for example, by launching ntpclient or GPS).

drivers/sensors: Add driver for ST LIS2DH accelerometer.  From Timo Voutilainen <time.voutilainen@haltian.com> et al.