common: Drop log.h from common header

Move this header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/pwm/exynos_pwm.c b/drivers/pwm/exynos_pwm.c
index 1c829d2..fed1583 100644
--- a/drivers/pwm/exynos_pwm.c
+++ b/drivers/pwm/exynos_pwm.c
@@ -5,6 +5,7 @@
 
 #include <common.h>
 #include <dm.h>
+#include <log.h>
 #include <pwm.h>
 #include <asm/io.h>
 #include <asm/arch/clk.h>
diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c
index 8d8f3e6..f5b9544 100644
--- a/drivers/pwm/pwm-imx.c
+++ b/drivers/pwm/pwm-imx.c
@@ -9,6 +9,7 @@
 #include <common.h>
 #include <div64.h>
 #include <dm.h>
+#include <log.h>
 #include <pwm.h>
 #include <asm/arch/imx-regs.h>
 #include <asm/io.h>
diff --git a/drivers/pwm/rk_pwm.c b/drivers/pwm/rk_pwm.c
index 46888e9..66eb0e7 100644
--- a/drivers/pwm/rk_pwm.c
+++ b/drivers/pwm/rk_pwm.c
@@ -8,6 +8,7 @@
 #include <clk.h>
 #include <div64.h>
 #include <dm.h>
+#include <log.h>
 #include <pwm.h>
 #include <regmap.h>
 #include <syscon.h>
diff --git a/drivers/pwm/sunxi_pwm.c b/drivers/pwm/sunxi_pwm.c
index 8a55e4f..56215db 100644
--- a/drivers/pwm/sunxi_pwm.c
+++ b/drivers/pwm/sunxi_pwm.c
@@ -6,6 +6,7 @@
 #include <common.h>
 #include <div64.h>
 #include <dm.h>
+#include <log.h>
 #include <pwm.h>
 #include <regmap.h>
 #include <syscon.h>
diff --git a/drivers/pwm/tegra_pwm.c b/drivers/pwm/tegra_pwm.c
index 02c3650..5e98d0f 100644
--- a/drivers/pwm/tegra_pwm.c
+++ b/drivers/pwm/tegra_pwm.c
@@ -5,6 +5,7 @@
 
 #include <common.h>
 #include <dm.h>
+#include <log.h>
 #include <pwm.h>
 #include <asm/io.h>
 #include <asm/arch/clock.h>