Fix 'A' operand modifier: PR inline-asm/94095

The problem here is there was a typo in the documentation
for the 'A' modifier in the table, it was recorded as 'a'
in the table on the modifier column.

Committed as obvious.

2020-03-09  Andrew Pinski  <apinski@marvell.com>

	PR inline-asm/94095
	* doc/extend.texi (x86 Operand Modifiers): Fix column
	for 'A' modifier.

gcc/ChangeLog

+2020-03-09  Andrew Pinski  <apinski@marvell.com>
+
+	PR inline-asm/94095
+	* doc/extend.texi (x86 Operand Modifiers): Fix column
+	for 'A' modifier.
+
 2020-03-09  Martin Liska  <mliska@suse.cz>
 
 	PR target/93800

gcc/doc/extend.texi

@@ -10437,7 +10437,7 @@ The table below shows the list of supported modifiers and their effects.
 
 @multitable {Modifier} {Print the opcode suffix for the size of th} {Operand} {@samp{att}} {@samp{intel}}
 @headitem Modifier @tab Description @tab Operand @tab @samp{att} @tab @samp{intel}
-@item @code{a}
+@item @code{A}
 @tab Print an absolute memory reference.
 @tab @code{%A0}
 @tab @code{*%rax}