powerpc: mpc86xx: Convert CONFIG_SYS_FSL_NUM_LAWS to Kconfig option

Use Kconfig instead of defining this macro in header file.
Signed-off-by: NYork Sun <york.sun@nxp.com>

arch/powerpc/cpu/mpc86xx/Kconfig

@@ -47,6 +47,12 @@ config SYS_CCSRBAR_DEFAULT
 		is fixed on each SoC. Some SoCs can have different value
 		if changed by pre-boot regime. The value here must match
 		the current value in SoC. If not sure, do not change.
+config SYS_FSL_NUM_LAWS
+	int "Number of local access windows"
+	default 10 if ARCH_MPC8610 || ARCH_MPC8641
+	help
+		Number of local access windows. This is fixed per SoC.
+		If not sure, do not change.
 
 source "board/freescale/mpc8610hpcd/Kconfig"
 source "board/freescale/mpc8641hpcn/Kconfig"

arch/powerpc/include/asm/config_mpc86xx.h

@@ -9,16 +9,4 @@
 
 #define CONFIG_SYS_FSL_DDR_86XX
 
-/* SoC specific defines for Freescale MPC86xx processors */
-
-#if defined(CONFIG_ARCH_MPC8610)
-#define CONFIG_SYS_FSL_NUM_LAWS		10
-
-#elif defined(CONFIG_ARCH_MPC8641)
-#define CONFIG_SYS_FSL_NUM_LAWS		10
-
-#else
-#error Processor type not defined for this platform
-#endif
-
 #endif /* _ASM_MPC85xx_CONFIG_H_ */

scripts/config_whitelist.txt

@@ -5514,7 +5514,6 @@ CONFIG_SYS_FSL_NI_SIZE
 CONFIG_SYS_FSL_NO_SERDES
 CONFIG_SYS_FSL_NUM_CC_PLL
 CONFIG_SYS_FSL_NUM_CC_PLLS
-CONFIG_SYS_FSL_NUM_LAWS
 CONFIG_SYS_FSL_OCRAM_BASE
 CONFIG_SYS_FSL_OCRAM_SIZE
 CONFIG_SYS_FSL_OTHER_DDR_NUM_CTRLS