spi: img-spfi: Remove udelay in soft reset

Removing the udelay between setting and clearing the soft reset bit in
the spfi control register as it is not required.

Signed-off-by: Sifan Naeem <sifan.naeem@imgtec.com>
Reviewed-by: Andrew Bresticker <abrestic@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-img-spfi.c

@@ -134,7 +134,6 @@ static inline void spfi_stop(struct img_spfi *spfi)
 static inline void spfi_reset(struct img_spfi *spfi)
 {
 	spfi_writel(spfi, SPFI_CONTROL_SOFT_RESET, SPFI_CONTROL);
-	udelay(1);
 	spfi_writel(spfi, 0, SPFI_CONTROL);
 }