diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index e6d4a20..c871eaf 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -14,66 +14,66 @@ config DMA_ADDR_T_64BIT
 	default y if ARM64
 
 config HAS_VBAR
-        bool
+	bool
 
 config HAS_THUMB2
-        bool
+	bool
 
 config CPU_ARM720T
-        bool
+	bool
 	select SYS_CACHE_SHIFT_5
 
 config CPU_ARM920T
-        bool
+	bool
 	select SYS_CACHE_SHIFT_5
 
 config CPU_ARM926EJS
-        bool
+	bool
 	select SYS_CACHE_SHIFT_5
 
 config CPU_ARM946ES
-        bool
+	bool
 	select SYS_CACHE_SHIFT_5
 
 config CPU_ARM1136
-        bool
+	bool
 	select SYS_CACHE_SHIFT_5
 
 config CPU_ARM1176
-        bool
-        select HAS_VBAR
+	bool
+	select HAS_VBAR
 	select SYS_CACHE_SHIFT_5
 
 config CPU_V7
-        bool
-        select HAS_VBAR
-        select HAS_THUMB2
+	bool
+	select HAS_VBAR
+	select HAS_THUMB2
 	select SYS_CACHE_SHIFT_6
 
 config CPU_V7M
 	bool
-        select HAS_THUMB2
+	select HAS_THUMB2
 	select SYS_CACHE_SHIFT_5
 
 config CPU_PXA
-        bool
+	bool
 	select SYS_CACHE_SHIFT_5
 
 config CPU_SA1100
-        bool
+	bool
 	select SYS_CACHE_SHIFT_5
 
 config SYS_CPU
-        default "arm720t" if CPU_ARM720T
-        default "arm920t" if CPU_ARM920T
-        default "arm926ejs" if CPU_ARM926EJS
-        default "arm946es" if CPU_ARM946ES
-        default "arm1136" if CPU_ARM1136
-        default "arm1176" if CPU_ARM1176
-        default "armv7" if CPU_V7
-        default "armv7m" if CPU_V7M
-        default "pxa" if CPU_PXA
-        default "sa1100" if CPU_SA1100
+	default "arm720t" if CPU_ARM720T
+	default "arm920t" if CPU_ARM920T
+	default "arm926ejs" if CPU_ARM926EJS
+	default "arm946es" if CPU_ARM946ES
+	default "arm1136" if CPU_ARM1136
+	default "arm1176" if CPU_ARM1176
+	default "armv7" if CPU_V7
+	default "armv7m" if CPU_V7M
+	default "pxa" if CPU_PXA
+	default "sa1100" if CPU_SA1100
 	default "armv8" if ARM64
 
 config SYS_ARM_ARCH
@@ -398,9 +398,9 @@ config TARGET_RASTABAN
 	select DM_GPIO
 
 config TARGET_ETAMIN
-        bool "Support etamin"
-        select CPU_V7
-        select SUPPORT_SPL
+	bool "Support etamin"
+	select CPU_V7
+	select SUPPORT_SPL
 	select DM
 	select DM_SERIAL
 	select DM_GPIO