Merge pull request #7052 from dgarske/stm32_fips

Fix to resolve collision between FIPS `RNG` in settings.h and STM32 HAL header

Author: kaleb-himes

wolfssl/wolfcrypt/settings.h

@@ -297,7 +297,7 @@
     #if FIPS_VERSION_LT(2,0)
         #define WC_RNG RNG
     #else
-        #ifndef WOLFSSL_STM32L4
+        #ifndef NO_OLD_RNGNAME
             #define RNG WC_RNG
         #endif
     #endif