Fix compiler warning

utility/NXP_SDHC.cpp

   //SDHC_PROCTL &= ~SDHC_PROCTL_DMAS(3); // clear ADMA
   //SDHC_PROCTL |=  SDHC_PROCTL_D3CD;
   //SDHC_PROCTL = SDHC_PROCTL_EMODE(SDHC_PROCTL_EMODE_INVARIANT) | SDHC_PROCTL_D3CD;
-  SDHC_PROCTL = SDHC_PROCTL & ~(SDHC_PROCTL_EMODE(3))
+  SDHC_PROCTL = (SDHC_PROCTL & ~(SDHC_PROCTL_EMODE(3)))
 	| (SDHC_PROCTL_EMODE(SDHC_PROCTL_EMODE_INVARIANT) | SDHC_PROCTL_D3CD );
   //SDHC_WML = SDHC_WML_RDWML(SDHC_FIFO_BUFFER_SIZE) | SDHC_WML_WRWML(SDHC_FIFO_BUFFER_SIZE);
   //Serial.printf("SDHC_WML = %08X\n", SDHC_WML); // prints 08100810 (good)