nrf_security: Enable ChaCha/Poly for BUILTIN support

-Adding missing configurations that enable building ChaCha/Poly when
 using BUILTIN only "driver"

ref: NCSDK-13789

Signed-off-by: Frank Audun Kvamtrø <[email protected]>

Author: frkv

nrf_security/configs/nrf-config.h

@@ -230,6 +230,8 @@ extern "C" {
 
 #if defined(PSA_WANT_ALG_CHACHA20_POLY1305)
 #if defined(PSA_WANT_KEY_TYPE_CHACHA20)
+#define MBEDTLS_CHACHA20_c
+#define MBEDTLS_POLY1305_C
 #define MBEDTLS_CHACHAPOLY_C
 #endif
 #endif