nb/intel/pineview: Use the correct address for the RCVEN strobe

When doing the receive enable training, the final mapping of the ranks is
already done, so we can be sure that that address 0x00000000 there will always
be a rank.

Change-Id: I7ac017a8816fc9a47cef0695826a1c32f699f6f8
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/28230
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

src/northbridge/intel/pineview/raminit.c

@@ -1875,7 +1875,9 @@ static void sdram_rcven(struct sysinfo *s)
 	u8 minbytelanecoarse = 0xff;
 	u8 bytelaneoffset;
 	u8 maxbytelane = 8;
-	u32 strobeaddr = (rank_is_populated(s->dimms, 0, 0)) ? 0 : 2*128*1024*1024;
+	/* Since dra/drb is already set up we know that at address 0x00000000
+	   we will always find the first available rank */
+	u32 strobeaddr = 0;
 	u32 dqshighaddr;
 
 	MCHBAR8(0x5d8) = MCHBAR8(0x5d8) & ~0xc;