Compact 2 format functions to 1
Compact 2 format functions to 1

In translate_ciphers.py there were 2 format functions that were
virtually identical and a check was made beforehand to decide
which one to call. Now the check is made inside a single function
to reduce duplicate code

Signed-off-by: Joe Subbiani <58338b749ceb75cc139988a3309cc9c135482ffd@arm.com>

Mbed-TLS/mbedtls,ARMmbed/mbedtls,NXPmicro/mbedtls,NXPmicro/mbedtls,Mbed-TLS/mbedtls,NXPmicro/mbedtls,NXPmicro/mbedtls,Mbed-TLS/mbedtls,Mbed-TLS/mbedtls,ARMmbed/mbedtls,ARMmbed/mbedtls,ARMmbed/mbedtls