powerpc: remove duplicate screen_info from setup_32.c

int icache_bsize;

int ucache_bsize;

#if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_FB_VGA16) || \

    defined(CONFIG_FB_VGA16_MODULE) || defined(CONFIG_FB_VESA)

struct screen_info screen_info = {

	0, 25,			/* orig-x, orig-y */

	0,			/* unused */

	0,			/* orig-video-page */

	0,			/* orig-video-mode */

	80,			/* orig-video-cols */

	0,0,0,			/* ega_ax, ega_bx, ega_cx */

	25,			/* orig-video-lines */

	1,			/* orig-video-isVGA */

	16			/* orig-video-points */

};

#endif /* CONFIG_VGA_CONSOLE || CONFIG_FB_VGA16 || CONFIG_FB_VESA */

/*

 * We're called here very early in the boot.  We determine the machine

 * type and call the appropriate low-level setup functions.