powerpc: mpc86xx: Remove macro CONFIG_MAX_CPUS

This macro CONFIG_MAX_CPUS is not used for MPC86xx SoCs.

Signed-off-by: York Sun <york.sun@nxp.com>

arch/powerpc/include/asm/config_mpc86xx.h

@@ -12,11 +12,9 @@
 /* SoC specific defines for Freescale MPC86xx processors */
 
 #if defined(CONFIG_ARCH_MPC8610)
-#define CONFIG_MAX_CPUS			1
 #define CONFIG_SYS_FSL_NUM_LAWS		10
 
 #elif defined(CONFIG_ARCH_MPC8641)
-#define CONFIG_MAX_CPUS			2
 #define CONFIG_SYS_FSL_NUM_LAWS		10
 
 #else