Revert "ARM: uniphier: fix ROM boot mode for PH1-sLD3"

This reverts commit 82d075e7.

Commit 82d075e7 ("ARM: uniphier: fix ROM boot mode for PH1-sLD3")
was a workaround for sLD3.  Now the sLD3 SoC support has been removed.

Revert it to allow to simplify the init code.
Signed-off-by: NMasahiro Yamada <yamada.masahiro@socionext.com>

arch/arm/mach-uniphier/arm32/lowlevel_init.S

@@ -98,11 +98,6 @@ ENDPROC(enable_mmu)
 
 ENTRY(setup_init_ram)
 	ldr	r1, = SSCO_BASE
-	mrc	p15, 0, r0, c2, c0, 0	@ TTBR0
-	ldr	r0, [r0, #0x400]	@ entry for virtual address 0x100*****
-	bfc	r0, #0, #20
-	cmp	r0, #0x50000000		@ is sLD3 page table?
-	biceq	r1, r1, #0xc0000000	@ sLD3 ROM maps 0x5******* to 0x1*******
 
 	/* Touch to zero for the boot way */
 0:	ldr	r0, = 0x00408006	@ touch to zero with address range