common: board_r: Drop initr_secondary_cpu wrapper

Add a return value to cpu_secondary_init_r and use it directly in the
post-relocation init sequence, rather than using a wrapper stub.

Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

arch/powerpc/cpu/mpc85xx/cpu_init.c

@@ -1028,7 +1028,7 @@ void arch_preboot_os(void)
 	mtmsr(msr);
 }
 
-void cpu_secondary_init_r(void)
+int cpu_secondary_init_r(void)
 {
 #ifdef CONFIG_QE
 #ifdef CONFIG_U_QE
@@ -1040,6 +1040,8 @@ void cpu_secondary_init_r(void)
 	qe_init(qe_base);
 	qe_reset();
 #endif
+
+	return 0;
 }
 
 #ifdef CONFIG_BOARD_LATE_INIT