src/soc/qualcomm: Remove unused <delay.h>

Found using:
diff <(git grep -l '#include <delay.h>' -- src/) <(git grep -l 'get_timer_fsb(\|init_timer(\|udelay(\|mdelay(\|delay(' -- src/) |grep "<"

Change-Id: Id1e0f4cb9f6181dc2fc45e7b6cb149646111bb3e
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60602
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

src/soc/qualcomm/sc7180/clock.c

@@ -2,7 +2,6 @@
 
 #include <assert.h>
 #include <commonlib/helpers.h>
-#include <delay.h>
 #include <device/mmio.h>
 #include <soc/clock.h>
 #include <timer.h>

src/soc/qualcomm/sc7180/display/dsi_phy_pll.c

@@ -2,7 +2,6 @@
 
 #include <device/mmio.h>
 #include <stdint.h>
-#include <delay.h>
 #include <edid.h>
 #include <soc/clock.h>
 #include <soc/display/mdssreg.h>

src/soc/qualcomm/sc7180/display/mdss.c

@@ -2,7 +2,6 @@
 
 #include <device/mmio.h>
 #include <console/console.h>
-#include <delay.h>
 #include <edid.h>
 #include <soc/display/mdssreg.h>
 

src/soc/qualcomm/sc7280/clock.c

@@ -2,7 +2,6 @@
 
 #include <assert.h>
 #include <commonlib/helpers.h>
-#include <delay.h>
 #include <device/mmio.h>
 #include <soc/clock.h>
 #include <timer.h>

src/soc/qualcomm/sc7280/cpucp_load_reset.c

@@ -1,7 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <assert.h>
-#include <delay.h>
 #include <cbfs.h>
 #include <console/console.h>
 #include <soc/mmu.h>