kconfig: Replace spaces with tabs

Trivial Kconfig cleanup. Use tabs instead of spaces.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>

Kconfig

@@ -137,24 +137,24 @@ config SYS_MALLOC_F_LEN
 	  initial serial device and any others that are needed.
 
 config SPL_SYS_MALLOC_F_LEN
-        hex "Size of malloc() pool in SPL before relocation"
-        depends on SYS_MALLOC_F
-        default SYS_MALLOC_F_LEN
-        help
-          Before relocation, memory is very limited on many platforms. Still,
-          we can provide a small malloc() pool if needed. Driver model in
-          particular needs this to operate, so that it can allocate the
-          initial serial device and any others that are needed.
+	hex "Size of malloc() pool in SPL before relocation"
+	depends on SYS_MALLOC_F
+	default SYS_MALLOC_F_LEN
+	help
+	  Before relocation, memory is very limited on many platforms. Still,
+	  we can provide a small malloc() pool if needed. Driver model in
+	  particular needs this to operate, so that it can allocate the
+	  initial serial device and any others that are needed.
 
 config TPL_SYS_MALLOC_F_LEN
-        hex "Size of malloc() pool in TPL before relocation"
-        depends on SYS_MALLOC_F
-        default SYS_MALLOC_F_LEN
-        help
-          Before relocation, memory is very limited on many platforms. Still,
-          we can provide a small malloc() pool if needed. Driver model in
-          particular needs this to operate, so that it can allocate the
-          initial serial device and any others that are needed.
+	hex "Size of malloc() pool in TPL before relocation"
+	depends on SYS_MALLOC_F
+	default SYS_MALLOC_F_LEN
+	help
+	  Before relocation, memory is very limited on many platforms. Still,
+	  we can provide a small malloc() pool if needed. Driver model in
+	  particular needs this to operate, so that it can allocate the
+	  initial serial device and any others that are needed.
 
 menuconfig EXPERT
 	bool "Configure standard U-Boot features (expert users)"