x86/boot/e820: Improve e820_print_type() messages

For E820_TYPE_RESERVED, print:

  'reserved'  -> 'device reserved'

For E820_TYPE_PRAM and E820_TYPE_PMEM:

  'persistent' -> 'persistent RAM'

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Andy Shevchenko <andy@kernel.org>
Cc: Arnd Bergmann <arnd@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Juergen Gross <jgross@suse.com>
Cc: "H . Peter Anvin" <hpa@zytor.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>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: David Woodhouse <dwmw@amazon.co.uk>
Link: https://patch.msgid.link/20250515120549.2820541-14-mingo@kernel.org

Author: ingomolnar

arch/x86/kernel/e820.c

@@ -188,15 +188,15 @@ void __init e820__range_add(u64 start, u64 size, enum e820_type type)
 static void __init e820_print_type(enum e820_type type)
 {
 	switch (type) {
-	case E820_TYPE_RAM:		pr_cont(" System RAM");			break;
-	case E820_TYPE_RESERVED:	pr_cont(" reserved");			break;
-	case E820_TYPE_SOFT_RESERVED:	pr_cont(" soft reserved");		break;
-	case E820_TYPE_ACPI:		pr_cont(" ACPI data");			break;
-	case E820_TYPE_NVS:		pr_cont(" ACPI NVS");			break;
-	case E820_TYPE_UNUSABLE:	pr_cont(" unusable");			break;
+	case E820_TYPE_RAM:		pr_cont(" System RAM");				break;
+	case E820_TYPE_RESERVED:	pr_cont(" device reserved");			break;
+	case E820_TYPE_SOFT_RESERVED:	pr_cont(" soft reserved");			break;
+	case E820_TYPE_ACPI:		pr_cont(" ACPI data");				break;
+	case E820_TYPE_NVS:		pr_cont(" ACPI NVS");				break;
+	case E820_TYPE_UNUSABLE:	pr_cont(" unusable");				break;
 	case E820_TYPE_PMEM:		/* Fall through: */
-	case E820_TYPE_PRAM:		pr_cont(" persistent (type %u)", type);	break;
-	default:			pr_cont(" type %u", type);		break;
+	case E820_TYPE_PRAM:		pr_cont(" persistent RAM (type %u)", type);	break;
+	default:			pr_cont(" type %u", type);			break;
 	}
 }