tpm/tpm_i2c_atmel: fix coccinelle warnings

Author: Fengguang Wu <fengguang.wu@intel.com>

drivers/char/tpm/tpm_i2c_atmel.c:178:8-9: WARNING: return of 0/1 in function 'i2c_atmel_req_canceled' with return type bool

 Return statements in functions returning bool should use
 true/false instead of 1/0.
Generated by: coccinelle/misc/boolreturn.cocci

CC: Jason Gunthorpe 
CC: Peter Huewe 
Acked-by: Jason Gunthorpe 
Signed-off-by: Fengguang Wu 
Signed-off-by: Peter Huewe 
---
 drivers/char/tpm/tpm_i2c_atmel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 
diff --git a/drivers/char/tpm/tpm_i2c_atmel.c b/drivers/char/tpm/tpm_i2c_atmel.c
index c3cd7fe..af6805b 100644
--- a/drivers/char/tpm/tpm_i2c_atmel.c
+++ b/drivers/char/tpm/tpm_i2c_atmel.c
@@ -175,7 +175,7 @@ static struct attribute_group i2c_atmel_attr_grp = {
 
 static bool i2c_atmel_req_canceled(struct tpm_chip *chip, u8 status)
 {
-	return 0;
+	return false;
 }
 
 static const struct tpm_vendor_specific i2c_atmel = {