Refactor eink driver

eink/eink.cppproj

@@ -218,7 +218,7 @@
     <Compile Include="clock.hpp">
       <SubType>compile</SubType>
     </Compile>
-    <Compile Include="eink\epd1in54b_V2.h">
+    <Compile Include="eink\eink.hpp">
       <SubType>compile</SubType>
     </Compile>
     <Compile Include="eink\imagedata.cpp">

eink/main.cpp

@@ -5,7 +5,7 @@
 #include "spi/spi.hpp"
 #include "uart/uart.hpp"
 
-#include "eink/epd1in54b_V2.h"
+#include "eink/eink.hpp"
 #include "eink/imagedata.h"
 
 using uart_t = uart::Uart0<>;