staging: gasket: apex: Prefer using the BIT macro

Challenge suggested by coccinelle.

Replace bit shifting on 1 with the BIT(x) macro.
Coccinelle script:

@@
constant c;
@@

-(1 << c)
+BIT(c)
Signed-off-by: Sanjana Sanikommu <sanjana99reddy99@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/gasket/apex_driver.c

@@ -294,7 +294,7 @@ static int apex_enter_reset(struct gasket_dev *gasket_dev)
 
 	/*    - Wait for RAM shutdown. */
 	if (gasket_wait_with_reschedule(gasket_dev, APEX_BAR_INDEX,
-					APEX_BAR2_REG_SCU_3, 1 << 6, 1 << 6,
+					APEX_BAR2_REG_SCU_3, BIT(6), BIT(6),
 					APEX_RESET_DELAY, APEX_RESET_RETRY)) {
 		dev_err(gasket_dev->dev,
 			"RAM did not shut down within timeout (%d ms)\n",
@@ -340,7 +340,7 @@ static int apex_quit_reset(struct gasket_dev *gasket_dev)
 
 	/*    - Wait for RAM enable. */
 	if (gasket_wait_with_reschedule(gasket_dev, APEX_BAR_INDEX,
-					APEX_BAR2_REG_SCU_3, 1 << 6, 0,
+					APEX_BAR2_REG_SCU_3, BIT(6), 0,
 					APEX_RESET_DELAY, APEX_RESET_RETRY)) {
 		dev_err(gasket_dev->dev,
 			"RAM did not enable within timeout (%d ms)\n",