ARM: SAMSUNG: updates sdhci.h for Samsung SoCs

This patch updates sdhci.h as Maurus suggestion like following:

From:
	#ifdef ...
	function()
	{
		blahblah;
	}
	#else
	function() { }
	#endif

To:
	function()
	{
	#ifdef ...
		blahblah;
	#endif
	}

And fixes a couple of typos.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

Conflicts:

	arch/arm/plat-samsung/include/plat/sdhci.h