ARM: l2c: omap2: remove explicit SMI calls to enable L2 cache

Now that OMAP2 uses the write_sec method, we don't need to enable the L2
cache in OMAP2 specific code; this can be done via the normal mechanisms
in the L2C code.  Remove the OMAP2 specific code.
Acked-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-omap2/omap4-common.c

@@ -222,11 +222,6 @@ static int __init omap_l2_cache_init(void)
 		   L310_AUX_CTRL_DATA_PREFETCH |
 		   L310_AUX_CTRL_INSTR_PREFETCH;
 
-	omap_smc1(0x109, aux_ctrl);
-
-	/* Enable PL310 L2 Cache controller */
-	omap_smc1(0x102, 0x1);
-
 	outer_cache.write_sec = omap4_l2c310_write_sec;
 	if (of_have_populated_dt())
 		l2x0_of_init(aux_ctrl, L2X0_AUX_CTRL_MASK);