nrf_security: drivers: cracen: rename blkcipher.c to cipher.c

It makes more sense this way as this is how the functions in this file
are prefixed and they also support the stream cipher ChaCha20.

Signed-off-by: Tomi Fontanilles <[email protected]>

Author: tomi-font

subsys/nrf_security/src/drivers/cracen/cracenpsa/cracenpsa.cmake

@@ -19,9 +19,9 @@ list(APPEND cracen_driver_sources
   ${CMAKE_CURRENT_LIST_DIR}/src/rndinrange.c
   ${CMAKE_CURRENT_LIST_DIR}/src/ikg_signature.c
 
-  # Note: We always need to have blkcipher.c and ctr_drbg.c since it
+  # Note: We always need to have cipher.c and ctr_drbg.c since it
   # is used directly by many Cracen drivers.
-  ${CMAKE_CURRENT_LIST_DIR}/src/blkcipher.c
+  ${CMAKE_CURRENT_LIST_DIR}/src/cipher.c
   ${CMAKE_CURRENT_LIST_DIR}/src/ctr_drbg.c
   ${CMAKE_CURRENT_LIST_DIR}/src/prng_pool.c
 )