clean up code

libcpu/arm/at91sam926x/start_gcc.S

@@ -172,9 +172,7 @@ reset:
 	str	r1, [r0]
 
 	/* set interrupt vector 		*/
-#if 1
-	ldr 	r0, _TEXT_BASE//_load_address
-	//ldr		r1, =0x200000				/* target address    				*/
+	ldr 	r0, _TEXT_BASE
 	mov	r1, #0x00
 	add	r2, r0, #0x40			/* size, 32bytes         			*/
 
@@ -183,7 +181,6 @@ copy_loop:
 	stmia	r1!, {r3-r10}			/* copy to   target address [r1]    */
 	cmp		r0, r2					/* until source end addreee [r2]    */
 	ble		copy_loop
-#endif
 	
 	/* setup stack */
 	bl		stack_setup