ARM: lpc32xx: clean up header files

All device drivers have stopped relying on mach/*.h headers,
so move the remaining headers into arch/arm/mach-lpc32xx/lpc32xx.h
to prepare for multiplatform builds.

The mach/entry-macro.S file has been unused for a long time now
and can simply get removed.

Link: https://lore.kernel.org/r/20190809144043.476786-13-arnd@arndb.de
Acked-by: Sylvain Lemieux <slemieux.tyco@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/mach-lpc32xx/common.c b/arch/arm/mach-lpc32xx/common.c
index a475339..304ea61 100644
--- a/arch/arm/mach-lpc32xx/common.c
+++ b/arch/arm/mach-lpc32xx/common.c
@@ -13,8 +13,7 @@
 #include <asm/mach/map.h>
 #include <asm/system_info.h>
 
-#include <mach/hardware.h>
-#include <mach/platform.h>
+#include "lpc32xx.h"
 #include "common.h"
 
 /*