Add DATA support to external_cc_library.cmake.

Closes https://github.com/google/iree/pull/1013

COPYBARA_INTEGRATE_REVIEW=https://github.com/google/iree/pull/1013 from ScottTodd:cmake-data-2 49f39a3c55e4d96f56f85c7a48e5ec5ab6d0fa05
PiperOrigin-RevId: 299967079

build_tools/cmake/external_cc_library.cmake

diff --git a/build_tools/cmake/external_cc_library.cmake b/build_tools/cmake/external_cc_library.cmake
index bd15ec8..65c03de 100644
--- a/build_tools/cmake/external_cc_library.cmake
+++ b/build_tools/cmake/external_cc_library.cmake
@@ -26,6 +26,7 @@
 # ROOT: Path to the source root where files are found
 # HDRS: List of public header files for the library
 # SRCS: List of source files for the library
+# DATA: List of other targets and files required for this binary
 # DEPS: List of other libraries to be linked in to the binary targets
 # COPTS: List of private compile options
 # DEFINES: List of public defines
@@ -80,7 +81,7 @@
   cmake_parse_arguments(_RULE
     "PUBLIC;ALWAYSLINK;TESTONLY"
     "PACKAGE;NAME;ROOT"
-    "HDRS;SRCS;COPTS;DEFINES;LINKOPTS;DEPS;INCLUDES"
+    "HDRS;SRCS;COPTS;DEFINES;LINKOPTS;DATA;DEPS;INCLUDES"
     ${ARGN}
   )
 
@@ -137,6 +138,7 @@
         PUBLIC
           ${_RULE_DEFINES}
       )
+      iree_add_data_dependencies(NAME ${_NAME} DATA ${_RULE_DATA})
 
       if(DEFINED _RULE_ALWAYSLINK)
         set_property(TARGET ${_NAME} PROPERTY ALWAYSLINK 1)
@@ -173,6 +175,7 @@
           ${_RULE_LINKOPTS}
           ${IREE_DEFAULT_LINKOPTS}
       )
+      iree_add_data_dependencies(NAME ${_NAME} DATA ${_RULE_DATA})
       target_compile_definitions(${_NAME}
         INTERFACE
           ${_RULE_DEFINES}