x86/entry/64: Indent PUSH_AND_CLEAR_REGS and POP_REGS properly

... same as the other macros in arch/x86/entry/calling.h
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: dan.j.williams@intel.com
Link: http://lkml.kernel.org/r/20180211104949.12992-8-linux@dominikbrodowski.netSigned-off-by: Ingo Molnar <mingo@kernel.org>

arch/x86/entry/calling.h

@@ -97,7 +97,7 @@ For 32-bit we have the following conventions - kernel is built with
 
 #define SIZEOF_PTREGS	21*8
 
-	.macro PUSH_AND_CLEAR_REGS rdx=%rdx rax=%rax
+.macro PUSH_AND_CLEAR_REGS rdx=%rdx rax=%rax
 	/*
 	 * Push registers and sanitize registers of values that a
 	 * speculation attack might otherwise want to exploit. The
@@ -131,9 +131,9 @@ For 32-bit we have the following conventions - kernel is built with
 	pushq	%r15		/* pt_regs->r15 */
 	xorq    %r15, %r15	/* nospec   r15*/
 	UNWIND_HINT_REGS
-	.endm
+.endm
 
-	.macro POP_REGS pop_rdi=1 skip_r11rcx=0
+.macro POP_REGS pop_rdi=1 skip_r11rcx=0
 	popq %r15
 	popq %r14
 	popq %r13
@@ -163,7 +163,7 @@ For 32-bit we have the following conventions - kernel is built with
 
 	.macro icebp
 	.byte 0xf1
-	.endm
+.endm
 
 /*
  * This is a sneaky trick to help the unwinder find pt_regs on the stack.  The