x86: Silence some logging statements

Quite a few log_info() calls are included in the x86 code which should use
log_debug() instead. Convert them to reduce unwanted output.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/cpu/apollolake/fsp_s.c b/arch/x86/cpu/apollolake/fsp_s.c
index 715ceab..2881880 100644
--- a/arch/x86/cpu/apollolake/fsp_s.c
+++ b/arch/x86/cpu/apollolake/fsp_s.c
@@ -116,10 +116,10 @@
 
 	/* Program package power limits in RAPL MSR */
 	msr_write(MSR_PKG_POWER_LIMIT, limit);
-	log_info("RAPL PL1 %d.%dW\n", tdp / power_unit,
-		 100 * (tdp % power_unit) / power_unit);
-	log_info("RAPL PL2 %d.%dW\n", pl2_val / power_unit,
-		 100 * (pl2_val % power_unit) / power_unit);
+	log_debug("RAPL PL1 %d.%dW\n", tdp / power_unit,
+		  100 * (tdp % power_unit) / power_unit);
+	log_debug("RAPL PL2 %d.%dW\n", pl2_val / power_unit,
+		  100 * (pl2_val % power_unit) / power_unit);
 
 	/*
 	 * Sett RAPL MMIO register for Power limits. RAPL driver is using MSR