Rewrote crt0, init, and chainloading code

start.s, init.c, linker.ld and linker.specs are meant
to be re-used by user applications, should they remove the defines
from init.c and the .chainloader* sections from the linker script

fusee/fusee-primary/src/hwinit/di.c

@@ -188,9 +188,9 @@ void display_enable_backlight(bool on) {
 }
 
 
-u32 *display_init_framebuffer(void)
+u32 *display_init_framebuffer(void *address)
 {
-	u32 *lfb_addr = (u32 *)0xC0000000;
+	u32 *lfb_addr = (u32 *)address;
 
 	//This configures the framebuffer @ 0xC0000000 with a resolution of 1280x720 (line stride 768).
 	exec_cfg((u32 *)DISPLAY_A_BASE, cfg_display_framebuffer, 32);

fusee/fusee-primary/src/hwinit/di.h

@@ -52,7 +52,7 @@ void display_end();
 void display_color_screen(u32 color);
 
 /*! Init display in full 1280x720 resolution (32bpp, line stride 768, framebuffer size = 1280*768*4 bytes). */
-u32 *display_init_framebuffer(void);
+u32 *display_init_framebuffer(void *address);
 
 /*! Enable or disable the backlight. Should only be called when the screen is completely set up, to avoid flickering. */
 void display_enable_backlight(bool on);