as2525(v2): We don't need yuv blitting/greylib support in the bootloader so don't compile it.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25483 a1c6a512-1295-4272-9138-f99709370657

firmware/target/arm/as3525/sansa-e200v2/lcd-e200v2.c

@@ -366,6 +366,8 @@ static void lcd_window_blit(int xmin, int ymin, int xmax, int ymax)
     }
 }
 
+
+#ifndef BOOTLOADER
 /* Line write helper function for lcd_yuv_blit. Write two lines of yuv420. */
 extern void lcd_write_yuv420_lines(unsigned char const * const src[3],
                                    int width,
@@ -434,6 +436,9 @@ void lcd_blit_yuv(unsigned char * const src[3],
     }
 }
 
+#endif
+
+
 /* Update the display.
    This must be called after all other LCD functions that change the display. */
 void lcd_update(void)