Hi Claus
das scheint geklappt zu haben:
MLD> apt install kernel --reinstall
Reading package lists... Done
Building dependency tree       
Reading state information... Done
0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 0 not upgraded.
Need to get 4.542 kB of archives.
After this operation, 0 B of additional disk space will be used.
Get:1 http://minidvblinux.de/download/5.4/files testing/main armhf-rpi2 kernel armhf-rpi2 4.14.24.199.73-199.73 [4.542 kB]
Fetched 4.542 kB in 1s (3.580 kB/s)            
Create a snapshot of '/mnt/root/@root' in '/mnt/root/2018-03-16 18:33'
(Reading database ... 4465 files and directories currently installed.)
Preparing to unpack .../kernel_4.14.24.199.73-199.73_armhf-rpi2.deb ...
Unpacking kernel:armhf-rpi2 (4.14.24.199.73-199.73) over (4.14.24.199.73-199.73) ...
Setting up kernel:armhf-rpi2 (4.14.24.199.73-199.73) ...
MLD> reboot
MLD> Connection to mld.home closed by remote host.
Connection to mld.home closed.
MLD> lsmod 
Module                  Size  Used by    Tainted: G  
brcmfmac              307200  0 
brcmutil               16384  1 brcmfmac
ir_lirc_codec          16384  0 
lirc_dev               16384  1 ir_lirc_codec
cfg80211              569344  1 brcmfmac
rfkill                 28672  1 cfg80211
mceusb                 20480  0 
i2c_dev                16384  0 
snd_soc_bcm2835_i2s    16384  0 
i2c_bcm2835            16384  0 
uinput                 20480  1 
snd_soc_core          188416  1 snd_soc_bcm2835_i2s
snd_compress           20480  1 snd_soc_core
snd_pcm_dmaengine      16384  1 snd_soc_core
snd_bcm2835            32768  0 
snd_pcm                98304  4 snd_soc_bcm2835_i2s,snd_soc_core,snd_pcm_dmaengine,snd_bcm2835
snd_timer              32768  1 snd_pcm
snd                    69632  5 snd_soc_core,snd_compress,snd_bcm2835,snd_pcm,snd_timer
MLD> 
Ich teste gleich mal, ob die Fernbedienung geht...
EDIT 18:49: Funktioniert wieder alles einwandfrei - vielen Dank. 
Nicolas