tpm2-unlock.sh: replace dmesg search term "2.0" with "2" (#2693)

* tpm2-unlock.sh: replace dmesg search term "2.0" with "2"

Signed-off-by: J-Kappes <[email protected]>

* tpm2-unlock.sh: simplify dmesg search

Signed-off-by: J-Kappes <[email protected]>

---------

Signed-off-by: J-Kappes <[email protected]>
Co-authored-by: Daniel Hansson <[email protected]>

Author: J-Kappes

not-supported/tpm2-unlock.sh

@@ -44,7 +44,7 @@ fi
 
 # Test if device is present
 # https://github.com/noobient/noobuntu/wiki/Full-Disk-Encryption#tpm-2
-if ! dmesg | grep -i "tpm" | grep -q "2\.0"
+if ! dmesg | grep -iq "tpm2"
 then
     msg_box "No TPM 2.0 device found."
     exit 1