Generalize the CUL<->RFR interface in preparation for the CUL<->STACKABLE_CC


git-svn-id: https://svn.code.sf.net/p/fhem/code/trunk@5268 2b470e98-0d58-463d-a4d8-8e2adae1ed80
CUL/STACKABLE_CC preparation, part 2


git-svn-id: https://svn.code.sf.net/p/fhem/code/trunk@5269 2b470e98-0d58-463d-a4d8-8e2adae1ed80
00_TCM: read-only wired connection to Eltako actuators via Eltako FGW14

git-svn-id: https://svn.code.sf.net/p/fhem/code/trunk@5270 2b470e98-0d58-463d-a4d8-8e2adae1ed80
CHANGED - updated

git-svn-id: https://svn.code.sf.net/p/fhem/code/trunk@5271 2b470e98-0d58-463d-a4d8-8e2adae1ed80
weather station correction

git-svn-id: https://svn.code.sf.net/p/fhem/code/trunk@5272 2b470e98-0d58-463d-a4d8-8e2adae1ed80
FRM_LCD: rename to I2C_LCD, refactored to use new I2C interface
FRM: refactor I2C to support new hardware-independent interface, refactor and rename  FRM_LCD to I2C_LCD

git-svn-id: https://svn.code.sf.net/p/fhem/code/trunk@5273 2b470e98-0d58-463d-a4d8-8e2adae1ed80