samsung/exynos5420: Spelling Fixes

Change-Id: I966645c83ae78943a7dbb9dc05af4fded6f4e5b5
Signed-off-by: Martin Roth <martin.roth@se-eng.com>
Reviewed-on: http://review.coreboot.org/7703
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>

src/soc/samsung/exynos5420/cpu.c

@@ -111,7 +111,7 @@ static void exynos_displayport_init(device_t dev, u32 lcdbase,
 	 *
 	 * Note: We may want to do something clever to ensure the framebuffer
 	 * region is aligned such that we don't change dcache policy for other
-	 * stuff inadvertantly.
+	 * stuff inadvertently.
 	 */
 	uint32_t lower = ALIGN_DOWN(lcdbase, MiB);
 	uint32_t upper = ALIGN_UP(lcdbase + fb_size, MiB);