jhd1313m1: Initial C implementation

Signed-off-by: Jon Trulson <jtrulson@ics.com>

src/jhd1313m1/CMakeLists.txt

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+upm_mixed_module_init (NAME jhd1313m1
+    DESCRIPTION "upm JHD1313M1 RGB LCD display driver"
+    C_HDR jhd1313m1.h
+    C_SRC jhd1313m1.c
+#    CPP_HDR jhd1313m1.hpp
+#    CPP_SRC jhd1313m1.cxx
+#    FTI_SRC jhd1313m1_fti.c
+#    CPP_WRAPS_C
+    REQUIRES mraa)
+# We need hd44780_bits.h from lcm1602
+include_directories("../lcm1602")