Add is_trixie for CMDLINETXT path definition (#2107)

Signed-off-by: pudermueller <c.mengler@web.de>

Author: pudermueller

openhabian-setup.sh

@@ -78,7 +78,7 @@ cd /opt || exit 1
 
 CONFIGTXT=/boot/config.txt
 CMDLINETXT=/boot/cmdline.txt
-if is_bookworm; then
+if is_trixie || is_bookworm; then
   CONFIGTXT=/boot/firmware/config.txt
   CMDLINETXT=/boot/firmware/cmdline.txt
 fi