x86/boot/e820: Simplify e820__print_table() a bit

Introduce 'entry' for the current table entry and shorten
repetitious use of e820_table->entries[i].

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: H . Peter Anvin <hpa@zytor.com>
Cc: Andy Shevchenko <andy@kernel.org>
Cc: Arnd Bergmann <arnd@kernel.org>
Cc: David Woodhouse <dwmw@amazon.co.uk>
Cc: Juergen Gross <jgross@suse.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Paul Menzel <pmenzel@molgen.mpg.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://patch.msgid.link/20250515120549.2820541-3-mingo@kernel.org

Author: ingomolnar

arch/x86/kernel/e820.c

@@ -205,12 +205,14 @@ void __init e820__print_table(char *who)
 	int i;
 
 	for (i = 0; i < e820_table->nr_entries; i++) {
+		struct e820_entry *entry = e820_table->entries + i;
+
 		pr_info("%s: [mem %#018Lx-%#018Lx] ",
 			who,
-			e820_table->entries[i].addr,
-			e820_table->entries[i].addr + e820_table->entries[i].size - 1);
+			entry->addr,
+			entry->addr + entry->size-1);
 
-		e820_print_type(e820_table->entries[i].type);
+		e820_print_type(entry->type);
 		pr_cont("\n");
 	}
 }