usb: host: CMakeLists.txt convert tabs to spaces

CMakeLists.txt uses spaces, which is now enforced by a helper script
running on CI.

Signed-off-by: Josuah Demangeon <[email protected]>

Author: Josuah Demangeon

subsys/usb/host/CMakeLists.txt

@@ -5,17 +5,17 @@ zephyr_library()
 zephyr_library_include_directories(${CMAKE_CURRENT_SOURCE_DIR})
 
 zephyr_library_sources(
-	usbh_api.c
-	usbh_ch9.c
-	usbh_class.c
-	usbh_core.c
-	usbh_desc.c
-	usbh_device.c
+  usbh_api.c
+  usbh_ch9.c
+  usbh_class.c
+  usbh_core.c
+  usbh_desc.c
+  usbh_device.c
 )
 
 zephyr_library_sources_ifdef(
-	CONFIG_USBH_SHELL
-	usbh_shell.c
+  CONFIG_USBH_SHELL
+  usbh_shell.c
 )
 
 zephyr_library_sources_ifdef(