ARM: s3c24xx: Simplify size used for kzalloc in iotiming get

Simplify the size argument of kzalloc() memory allocation by using
sizeof(*ptr) syntax.

This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
[krzk: Rewrite commit message]
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arch/arm/mach-s3c24xx/iotiming-s3c2410.c

@@ -453,7 +453,7 @@ int s3c2410_iotiming_get(struct s3c_cpufreq_config *cfg,
 		s3c_freq_iodbg("%s: bank %d: con %08lx\n",
 			       __func__, bank, bankcon);
 
-		bt = kzalloc(sizeof(struct s3c2410_iobank_timing), GFP_KERNEL);
+		bt = kzalloc(sizeof(*bt), GFP_KERNEL);
 		if (!bt)
 			return -ENOMEM;
 

arch/arm/mach-s3c24xx/iotiming-s3c2412.c

@@ -242,7 +242,7 @@ int s3c2412_iotiming_get(struct s3c_cpufreq_config *cfg,
 		if (!bank_is_io(bank, bankcfg))
 			continue;
 
-		bt = kzalloc(sizeof(struct s3c2412_iobank_timing), GFP_KERNEL);
+		bt = kzalloc(sizeof(*bt), GFP_KERNEL);
 		if (!bt)
 			return -ENOMEM;