crypto/fsl: add RNG support

Register the random number generator with the rng subsystem in u-boot.
This way it can be used by EFI as well as for the 'rng' command.

Signed-off-by: Michael Walle <michael@walle.cc>
Tested-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/drivers/crypto/fsl/jobdesc.h b/drivers/crypto/fsl/jobdesc.h
index 5185ddd..c4501ab 100644
--- a/drivers/crypto/fsl/jobdesc.h
+++ b/drivers/crypto/fsl/jobdesc.h
@@ -43,7 +43,10 @@
 
 void inline_cnstr_jobdesc_rng_deinstantiation(u32 *desc, int handle);
 
+void inline_cnstr_jobdesc_rng(u32 *desc, void *data_out, u32 size);
+
 void inline_cnstr_jobdesc_pkha_rsaexp(uint32_t *desc,
 				      struct pk_in_params *pkin, uint8_t *out,
 				      uint32_t out_siz);
+
 #endif