Maple: Rename files for better conformance to standards

configs/maple/src/Makefile

@@ -36,15 +36,15 @@
 
 -include $(TOPDIR)/Make.defs
 
-CFLAGS		+= -I$(TOPDIR)/sched
+CFLAGS += -I$(TOPDIR)/sched
 
-ASRCS		=
-AOBJS		= $(ASRCS:.S=$(OBJEXT))
+ASRCS =
+AOBJS = $(ASRCS:.S=$(OBJEXT))
 
-CSRCS		= up_boot.c up_leds.c up_usbdev.c up_spi.c
+CSRCS = stm32_boot.c stm32_leds.c stm32_usbdev.c stm32_spi.c
 
 ifeq ($(CONFIG_NX_LCDDRIVER),y)
-CSRCS		+= up_lcd.c
+CSRCS += stm32_lcd.c
 endif
 
 ifeq ($(CONFIG_NSH_ARCHINIT),y)
@@ -57,21 +57,21 @@ ifeq ($(CONFIG_USBMSC),y)
 endif
 
 ifeq ($(CONFIG_WATCHDOG),y)
-	CSRCS		+= up_watchdog.c
+CSRCS += stm32_watchdog.c
 endif
 
-COBJS		= $(CSRCS:.c=$(OBJEXT))
+COBJS = $(CSRCS:.c=$(OBJEXT))
 
-SRCS		= $(ASRCS) $(CSRCS)
-OBJS		= $(AOBJS) $(COBJS)
+SRCS = $(ASRCS) $(CSRCS)
+OBJS = $(AOBJS) $(COBJS)
 
-ARCH_SRCDIR	= $(TOPDIR)/arch/$(CONFIG_ARCH)/src
+ARCH_SRCDIR = $(TOPDIR)/arch/$(CONFIG_ARCH)/src
 ifeq ($(WINTOOL),y)
-	CFLAGS	+= -I "${shell cygpath -w $(ARCH_SRCDIR)/chip}" \
-		   -I "${shell cygpath -w $(ARCH_SRCDIR)/common}" \
-		   -I "${shell cygpath -w $(ARCH_SRCDIR)/armv7-m}"
-	else
-	CFLAGS	+= -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common -I$(ARCH_SRCDIR)/armv7-m
+  CFLAGS += -I "${shell cygpath -w $(ARCH_SRCDIR)/chip}" \
+            -I "${shell cygpath -w $(ARCH_SRCDIR)/common}" \
+            -I "${shell cygpath -w $(ARCH_SRCDIR)/armv7-m}"
+else
+  CFLAGS += -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common -I$(ARCH_SRCDIR)/armv7-m
 endif
 
 all: libboard$(LIBEXT)

configs/maple/src/stm32_boot.c

@@ -1,5 +1,5 @@
 /************************************************************************************
- * configs/maple/src/up_boot.c
+ * configs/maple/src/stm32_boot.c
  *
  *   Copyright (C) 2013, 2015 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>

configs/maple/src/stm32_lcd.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * configs/maple/src/up_lcd.c
+ * configs/maple/src/stm32_lcd.c
  *
  *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>

configs/maple/src/stm32_leds.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * configs/maple/src/up_leds.c
+ * configs/maple/src/stm32_leds.c
  *
  *   Copyright (C) 2013, 2015 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>

configs/maple/src/stm32_spi.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * configs/maple/src/up_spi.c
+ * configs/maple/src/stm32_spi.c
  *
  *   Copyright (C) 2009, 2011-2013 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>

configs/maple/src/stm32_usbdev.c

@@ -1,5 +1,5 @@
 /************************************************************************************
- * configs/maple/src/up_usbdev.c
+ * configs/maple/src/stm32_usbdev.c
  *
  *   Copyright (C) 2009-2011 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>

configs/maple/src/stm32_watchdog.c

@@ -1,5 +1,5 @@
 /************************************************************************************
- * configs/maple/src/up_watchdog.c
+ * configs/maple/src/stm32_watchdog.c
  *
  *   Copyright (C) 2013 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>