ARM: OMAP1: remove the crystal type tag parsing

The omap1 crystal setting uses the OMAP custom tags.
Those tags are not used in upstream kernel and therefore the crystal
type is never set by the tag parsing code on upstream kernels.
Remove the crystal tag parsing code.
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap1/clock_data.c

@@ -25,7 +25,6 @@
 #include <plat/clock.h>
 #include <plat/cpu.h>
 #include <plat/clkdev_omap.h>
-#include <plat/board.h>
 #include <plat/sram.h>	/* for omap_sram_reprogram_clock() */
 
 #include <mach/hardware.h>
@@ -788,7 +787,6 @@ u32 cpu_mask;
 int __init omap1_clk_init(void)
 {
 	struct omap_clk *c;
-	const struct omap_clock_config *info;
 	int crystal_type = 0; /* Default 12 MHz */
 	u32 reg;
 
@@ -837,12 +835,6 @@ int __init omap1_clk_init(void)
 	ck_dpll1_p = clk_get(NULL, "ck_dpll1");
 	ck_ref_p = clk_get(NULL, "ck_ref");
 
-	info = omap_get_config(OMAP_TAG_CLOCK, struct omap_clock_config);
-	if (info != NULL) {
-		if (!cpu_is_omap15xx())
-			crystal_type = info->system_clock_type;
-	}
-
 	if (cpu_is_omap7xx())
 		ck_ref.rate = 13000000;
 	if (cpu_is_omap16xx() && crystal_type == 2)