ta: crypto_perf: fix build warning on unused resources

Fix build warning in crypto_perf TA as shown in below build trace
messages:

ta_crypto_perf.c:704:42: warning: unused parameter ‘params’ [-Wunused-parameter]
  704 |                                TEE_Param params[TEE_NUM_PARAMS])
      |                                ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
ta_crypto_perf.c: In function ‘cmd_asym_process_keypair’:
ta_crypto_perf.c:745:1: warning: label ‘out’ defined but not used [-Wunused-label]
  745 | out:
      | ^~~
ta_crypto_perf.c: In function ‘cmd_asym_process_rsa_ecc’:
ta_crypto_perf.c:796:1: warning: label ‘out’ defined but not used [-Wunused-label]
  796 | out:
      | ^~~

Fixes: 14a2b2ac ("ta: crypto_perf: add asymmetric crypto perf tests")
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com>