Use BTSTACK_FILE__ without __ prefix (MISRAC2012-Rule-21.1)

hci_transport_h4, hci_transport_em9304_spi.c: add checks for Event + SCO packet lengths

Replaced HCI_PACKET_BUFFER_SIZE with HCI_INCOMING_PACKET_BUFFER_SIZE and HCI_OUTGOING_PACKET_BUFFER_SIZE

h4: fix warning about set but not read ehcill vars if ehcill is not used

fix format warnings for uint32_t values

h4: support wakeup via wakeup-up handler for h5

h4: use enum for EHCILL message types - fixes compile error when used as case labels

cc256x: ENABLE_CC256X_BAUDRATE_CHANGE_FLOWCONTROL_BUG_WORKAROUND avoids lost bytes during baud rate change, updated docu

tool: add update_filename.py that adds __BTSTACK_FILE__ to every .c file for use with debug output instead of __FILE__

h4_ehcill/h5: provide HCI_EVENT_TRANSPORT_SLEEP_MODE event that indicates to app if it can put device into deep sleep

hci_transport: add set_sco_config and call when nr. of SCO connections changes

fix warnings for using %u with int vars

ehcill: fix bug when send packet was called between receive sleep ind and send of sleep ack

hci_transport_h4: remove commented code about triggering run loop

eHCILL: use ENABLE_EHCILL instead of HAVE_EHCILL plus runtime enable call, updated docs

hci_transport_h4: eHCILL working on POSIX

hci_transport_h4: fix compile

h4: add parts of eHCILL (not tested/working)

h4/h5: move platform independent implementations into core

extra POSIX code and Makefile into platforms/posix/src

use log_info instead of printf, remove trailing newline from log calls

use cfmakeraw to also remove ICRNL flag that would translate 0x0d to 0x0a on input

remove unused variable

try to bring Blutooth module into defined state by sending HCI RESET twice

use cfsetospeed and cfsetispeed instead of cfsetspeed