Misc. typos

Found via `codespell -q 3 -I ../opencv-whitelist.txt --skip="./3rdparty"`

cmake/FindCUDA.cmake

@@ -141,7 +141,7 @@
 #   -- Same as CUDA_ADD_EXECUTABLE except that a library is created.
 #
 #   CUDA_BUILD_CLEAN_TARGET()
-#   -- Creates a convience target that deletes all the dependency files
+#   -- Creates a convenience target that deletes all the dependency files
 #      generated.  You should make clean after running this target to ensure the
 #      dependency files get regenerated.
 #
@@ -473,7 +473,7 @@ else()
 endif()
 
 # Propagate the host flags to the host compiler via -Xcompiler
-option(CUDA_PROPAGATE_HOST_FLAGS "Propage C/CXX_FLAGS and friends to the host compiler via -Xcompile" ON)
+option(CUDA_PROPAGATE_HOST_FLAGS "Propagate C/CXX_FLAGS and friends to the host compiler via -Xcompile" ON)
 
 # Enable CUDA_SEPARABLE_COMPILATION
 option(CUDA_SEPARABLE_COMPILATION "Compile CUDA objects with separable compilation enabled.  Requires CUDA 5.0+" OFF)

cmake/OpenCVPCHSupport.cmake

@@ -362,7 +362,7 @@ MACRO(ADD_NATIVE_PRECOMPILED_HEADER _targetName _input)
           endif()
         endforeach()
 
-        #also inlude ${oldProps} to have the same compile options
+        #also include ${oldProps} to have the same compile options
         GET_TARGET_PROPERTY(oldProps ${_targetName} COMPILE_FLAGS)
         if (oldProps MATCHES NOTFOUND)
             SET(oldProps "")

cmake/templates/OpenCVConfig.cmake.in

@@ -260,7 +260,7 @@ endif()
 set(OpenCV_LIBRARIES ${OpenCV_LIBS})
 
 #
-# Some macroses for samples
+# Some macros for samples
 #
 macro(ocv_check_dependencies)
   set(OCV_DEPENDENCIES_FOUND TRUE)