hwrng: Pass entropy to add_hwgenerator_randomness() in bits, not bytes

The entropy argument to add_hwgenerator_randomness() is passed
directly to credit_entropy_bits() so we should be passing the
number of bits, not bytes.

Change-Id: I068c1073245944dddf0cbf7e69f1c0f1d96010e2
Fixes: 646d838eef81 "hwrng: create filler thread"
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

drivers/char/hw_random/core.c

@@ -333,7 +333,7 @@ static int hwrng_fillfn(void *unused)
 			continue;
 		}
 		add_hwgenerator_randomness((void *)rng_fillbuf, rc,
-					   (rc*current_quality)>>10);
+					   rc * current_quality * 8 >> 10);
 	}
 	hwrng_fill = 0;
 	return 0;