arm: spear: Drop false comment

SPL BSS lies in SRAM and is actually initialized to 0 by the SPL in
arch/arm/lib/crt0.S:_main(), which is called by cpu_init_crit.
Signed-off-by: NMiquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: NStefan Roese <sr@denx.de>

arch/arm/cpu/arm926ejs/spear/start.S

@@ -39,11 +39,6 @@ reset:
  */
 	stmdb	sp!, {r0-r12,r14}
 	bl	cpu_init_crit
-/*
- * Clearing bss area is not done in SPL.
- * BSS area lies in the DDR location which is not yet initialized
- * bss is assumed to be uninitialized.
- */
 	ldmia	sp!, {r0-r12,pc}
 
 /*