fix(esp_security): Power up MPI memory registers when enabling MPI

Co-authored-by: Li HongXi <lihongxi@espressif.com>

components/mbedtls/port/bignum/bignum_alt.c

@@ -24,8 +24,6 @@ void esp_mpi_enable_hardware_hw_op( void )
 
 void esp_mpi_disable_hardware_hw_op( void )
 {
-    mpi_hal_disable_hardware_hw_op();
-
     /* Disable RSA hardware */
     esp_crypto_mpi_enable_periph_clk(false);