Kconfig: Replace spaces with tabs and missing newline

Trivial Kconfig cleanup. Use tabs instead of spaces and every Kconfig
entry should be separated by newline.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/cmd/Kconfig b/cmd/Kconfig
index 0cf530d..ff89065 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -1012,11 +1012,12 @@
 	help
 	  Enables the command "sdp" which is used to have U-Boot emulating the
 	  Serial Download Protocol (SDP) via USB.
+
 config CMD_ROCKUSB
 	bool "rockusb"
 	depends on USB_FUNCTION_ROCKUSB
 	help
-          Rockusb protocol is widely used by Rockchip SoC based devices. It can
+	  Rockusb protocol is widely used by Rockchip SoC based devices. It can
 	  read/write info, image to/from devices. This enable rockusb command
 	  support to communication with rockusb device. for more detail about
 	  this command, please read doc/README.rockusb.
@@ -1489,7 +1490,7 @@
 	  the original data.
 
 	  Sub-commands:
-            blob enc - encapsulating data as a cryptgraphic blob
+	    blob enc - encapsulating data as a cryptgraphic blob
 	    blob dec - decapsulating cryptgraphic blob to get the data
 
 	  Syntax: