arm: spear: Drop useless board_init_r call

It is clearly stated that board_init_f should *not* call
board_init_r. Indeed, board_init_f should return. The code will
continue through arch/arm/lib/crt0.S which will do more setup before
calling board_init_r.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Stefan Roese <sr@denx.de>

arch/arm/cpu/arm926ejs/spear/spl.c

@@ -251,6 +251,4 @@ void board_init_f(ulong dummy)
 	puts("Configure DDR\n");
 	mpmc_init();
 	spear_late_init();
-
-	board_init_r(NULL, 0);
 }