powerpc: mpc85xx: Move CONFIG_SYS_NUM_TLBCAMS to Kconfig

Use Kconfig option for SYS_NUM_TLBCAMS and clean up existing macros.

Signed-off-by: York Sun <york.sun@nxp.com>
diff --git a/arch/powerpc/cpu/mpc85xx/Kconfig b/arch/powerpc/cpu/mpc85xx/Kconfig
index 6d8709e..2b1d0f6 100644
--- a/arch/powerpc/cpu/mpc85xx/Kconfig
+++ b/arch/powerpc/cpu/mpc85xx/Kconfig
@@ -647,6 +647,14 @@
 		Number of local access windows. This is fixed per SoC.
 		If not sure, do not change.
 
+config SYS_NUM_TLBCAMS
+	int "Number of TLB CAM entries"
+	default 64 if E500MC
+	default 16
+	help
+		Number of TLB CAM entries for Book-E chips. 64 for E500MC,
+		16 for other E500 SoCs.
+
 source "board/freescale/b4860qds/Kconfig"
 source "board/freescale/bsc9131rdb/Kconfig"
 source "board/freescale/bsc9132qds/Kconfig"
diff --git a/arch/powerpc/include/asm/config_mpc85xx.h b/arch/powerpc/include/asm/config_mpc85xx.h
index 8cfc612..5761218 100644
--- a/arch/powerpc/include/asm/config_mpc85xx.h
+++ b/arch/powerpc/include/asm/config_mpc85xx.h
@@ -24,13 +24,6 @@
 #define CONFIG_SYS_FSL_SFP_BE
 #define CONFIG_SYS_FSL_SEC_MON_BE
 
-/* Number of TLB CAM entries we have on FSL Book-E chips */
-#if defined(CONFIG_E500MC)
-#define CONFIG_SYS_NUM_TLBCAMS		64
-#elif defined(CONFIG_E500)
-#define CONFIG_SYS_NUM_TLBCAMS		16
-#endif
-
 #if defined(CONFIG_ARCH_MPC8536)
 #define CONFIG_SYS_PPC_E500_DEBUG_TLB	1
 #define CONFIG_SYS_FSL_SEC_COMPAT	2