nb/intel/i945: Use DEBUG_RAM_SETUP

Avoid preprocessor here, also we never set loglevel
to value of >8 so the call would not be made.

The calls to ram_check() were removed, for a long
time that function has not tested start..stop region.

Change-Id: Ib952b8905c29a5c5c289027071eb6ff59aaa330b
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32032
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/northbridge/intel/i945/raminit.c

@@ -96,7 +96,6 @@ static void ram_read32(u32 offset)
 	read32((void *)offset);
 }
 
-#if CONFIG(DEBUG_RAM_SETUP)
 void sdram_dump_mchbar_registers(void)
 {
 	int i;
@@ -108,7 +107,6 @@ void sdram_dump_mchbar_registers(void)
 		printk(BIOS_DEBUG, "0x%04x: 0x%08x\n", i, MCHBAR32(i));
 	}
 }
-#endif
 
 static int memclk(void)
 {