arch/: Remove dangling space at the end of lines.

arch/misoc/src/lm32/chip.h

@@ -78,7 +78,7 @@ static inline void irq_setmask(unsigned int mask)
 
 static inline unsigned int irq_pending(void)
 {
-  
+
   unsigned int pending;
   __asm__ __volatile__("rcsr %0, IP" : "=r" (pending));
   return pending;

arch/misoc/src/lm32/lm32_dumpstate.c

@@ -65,9 +65,9 @@
 static inline uint32_t up_getsp(void)
 {
   register uint32_t sp;
- 
+
   __asm__ __volatile__("addi %0, sp, 0" : "=r" (sp));
- 
+
   return sp;
 }
 

arch/misoc/src/lm32/lm32_swint.c

@@ -136,7 +136,7 @@ int lm32_swint(int irq, FAR void *context, FAR void *arg)
 
   DEBUGASSERT(g_current_regs == NULL);
   g_current_regs = regs;
- 
+
   /* Software interrupt 0 is invoked with REG_A0 (REG_X10) = system call
    * command and REG_A1-6 = variable number of
    * arguments depending on the system call.