arch/arm: Fix more errors resulting from universal cache interfaces. The old cache-specific head file also provided a sneak way to include other necessary header files. With the old cache.h removed, those files all fail to build.

arch/arm/src/nrf52/nrf52_nvmc.c

@@ -45,6 +45,7 @@
 #include <nuttx/config.h>
 #include <stdbool.h>
 
+#include "up_arch.h"
 #include "barriers.h"
 
 #include "chip/nrf52_ficr.h"

arch/arm/src/stm32f7/stm32_start.c

@@ -49,12 +49,9 @@
 
 #include "up_arch.h"
 #include "up_internal.h"
+#include "nvic.h"
 #include "barriers.h"
 
-#ifdef CONFIG_ARCH_FPU
-#  include "nvic.h"
-#endif
-
 #include "stm32_rcc.h"
 #include "stm32_userspace.h"
 #include "stm32_lowputc.h"