Remove exra whitespace from files (#189)

* Remove multiple newlines at the end of files
* Remove the whitespace from the end of lines

arch/x86/include/.gitignore

@@ -1,3 +1,2 @@
 /chip
 /board
-

arch/x86/include/README.txt

@@ -26,6 +26,3 @@ specific directories.
 
 qemu
   This is the implementation of NuttX on the QEMU x86 simulation.
-
-
-

arch/x86/include/i486/arch.h

@@ -451,4 +451,3 @@ void idt_flush(uint32_t idt_addr);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_X86_INCLUDE_I486_ARCH_H */
-

arch/x86/include/i486/irq.h

@@ -297,4 +297,3 @@ extern "C"
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_X86_INCLUDE_I486_IRQ_H */
-

arch/x86/include/i486/syscall.h

@@ -135,4 +135,3 @@ static inline uintptr_t sys_call5(unsigned int nbr, uintptr_t parm1,
 #endif
 
 #endif /* __ARCH_X86_INCLUDE_I486_SYSCALL_H */
-

arch/x86/include/io.h

@@ -84,4 +84,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_X86_INCLUDE_IO_H */
-

arch/x86/include/irq.h

@@ -96,4 +96,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_X86_INCLUDE_IRQ_H */
-

arch/x86/include/qemu/arch.h

@@ -78,4 +78,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_X86_INCLUDE_QEMU_ARCH_H */
-

arch/x86/include/qemu/irq.h

@@ -78,4 +78,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_X86_INCLUDE_QEMU_IRQ_H */
-

arch/x86/include/syscall.h

@@ -86,4 +86,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_X86_INCLUDE_SYSCALL_H */
-