dmaengine: Drop redundant 'else' keyword

It's obvious that 'else' keyword is redundant in the code like

	if (foo)
		return bar;
	else if (baz)
		...

Drop it for good.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200226101842.29426-3-andriy.shevchenko@linux.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

include/linux/dmaengine.h

@@ -1230,9 +1230,9 @@ static inline int dma_maxpq(struct dma_device *dma, enum dma_ctrl_flags flags)
 {
 	if (dma_dev_has_pq_continue(dma) || !dmaf_continue(flags))
 		return dma_dev_to_maxpq(dma);
-	else if (dmaf_p_disabled_continue(flags))
+	if (dmaf_p_disabled_continue(flags))
 		return dma_dev_to_maxpq(dma) - 1;
-	else if (dmaf_continue(flags))
+	if (dmaf_continue(flags))
 		return dma_dev_to_maxpq(dma) - 3;
 	BUG();
 }
@@ -1243,7 +1243,7 @@ static inline size_t dmaengine_get_icg(bool inc, bool sgl, size_t icg,
 	if (inc) {
 		if (dir_icg)
 			return dir_icg;
-		else if (sgl)
+		if (sgl)
 			return icg;
 	}