cmake files: change keywords to lower case

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
(cherry picked from commit 4c50377345)

plugins/lirc/CMakeLists.txt

@@ -29,7 +29,7 @@ tde_add_kpart( liblirc AUTOMOC
 
 ##### other data
 
-INSTALL(
+install(
   FILES default-dot-lircrc
   DESTINATION ${DATA_INSTALL_DIR}/tderadio
 )

presets/CMakeLists.txt

@@ -14,7 +14,7 @@ foreach( _dir IN LISTS _dirs )
   file( GLOB _krp_files RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/${_dir}/*.krp )
 
   if( _krp_files )
-    INSTALL(
+    install(
       FILES ${_krp_files}
       DESTINATION ${DATA_INSTALL_DIR}/tderadio/presets/${_dir}
     )

src/CMakeLists.txt

@@ -78,7 +78,7 @@ tde_add_executable( tderadio AUTOMOC
 
 tde_create_translated_desktop( tderadio.desktop )
 
-INSTALL(
+install(
   FILES tderadio.xpm
   DESTINATION ${SHARE_INSTALL_PREFIX}/pixmaps
 )