Merge "hwrng: refine hwrng delay for retry"

#define MAX_HW_FIFO_DEPTH 16                     /* FIFO is 16 words deep */

#define MAX_HW_FIFO_SIZE (MAX_HW_FIFO_DEPTH * 4) /* FIFO is 32 bits wide  */

#define RETRY_MAX_CNT		5	/* max retry times to read register */

#define RETRY_DELAY_INTERVAL	440	/* retry delay interval in us */

#define RETRY_MAX_CNT		500	/* max retry times to read register */

#define RETRY_DELAY_INTERVAL	6	/* retry delay interval in us */

struct msm_rng_device {

	struct platform_device *pdev;