imx8: Replace PLAT_IMX8* with automatic PLAT_imx8*

Platform defines are already provided by the build system so let's not
duplicate them.

Change-Id: Icf1ea76c3c3213e27b447c95e2b22b961fa7693e
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
diff --git a/plat/imx/common/imx_sip_handler.c b/plat/imx/common/imx_sip_handler.c
index 89771cd..62048b6 100644
--- a/plat/imx/common/imx_sip_handler.c
+++ b/plat/imx/common/imx_sip_handler.c
@@ -14,9 +14,9 @@
 #include <imx_sip_svc.h>
 #include <sci/sci.h>
 
-#if defined(PLAT_IMX8QM) || defined(PLAT_IMX8QX)
+#if defined(PLAT_imx8qm) || defined(PLAT_imx8qx)
 
-#ifdef PLAT_IMX8QM
+#ifdef PLAT_imx8qm
 const static int ap_cluster_index[PLATFORM_CLUSTER_COUNT] = {
 	SC_R_A53, SC_R_A72,
 };
@@ -56,10 +56,10 @@
 {
 	sc_pm_clock_rate_t rate = (sc_pm_clock_rate_t)freq;
 
-#ifdef PLAT_IMX8QM
+#ifdef PLAT_imx8qm
 	sc_pm_set_clock_rate(ipc_handle, ap_cluster_index[cluster_id], SC_PM_CLK_CPU, &rate);
 #endif
-#ifdef PLAT_IMX8QX
+#ifdef PLAT_imx8qx
 	sc_pm_set_clock_rate(ipc_handle, SC_R_A35, SC_PM_CLK_CPU, &rate);
 #endif
 }
@@ -141,7 +141,7 @@
 	return sc_misc_set_temp(ipc_handle, x1, x2, x3, x4);
 }
 
-#endif /* defined(PLAT_IMX8QM) || defined(PLAT_IMX8QX) */
+#endif /* defined(PLAT_imx8qm) || defined(PLAT_imx8qx) */
 
 static uint64_t imx_get_commit_hash(u_register_t x2,
 		    u_register_t x3,
diff --git a/plat/imx/common/imx_sip_svc.c b/plat/imx/common/imx_sip_svc.c
index 45d18ef..4893b9f 100644
--- a/plat/imx/common/imx_sip_svc.c
+++ b/plat/imx/common/imx_sip_svc.c
@@ -31,7 +31,7 @@
 		SMC_RET1(handle, imx_soc_info_handler(smc_fid, x1, x2, x3));
 		break;
 #endif
-#if (defined(PLAT_IMX8QM) || defined(PLAT_IMX8QX))
+#if (defined(PLAT_imx8qm) || defined(PLAT_imx8qx))
 	case  IMX_SIP_SRTC:
 		return imx_srtc_handler(smc_fid, handle, x1, x2, x3, x4);
 	case  IMX_SIP_CPUFREQ:
diff --git a/plat/imx/common/include/imx_sip_svc.h b/plat/imx/common/include/imx_sip_svc.h
index f532840..5898f7a 100644
--- a/plat/imx/common/include/imx_sip_svc.h
+++ b/plat/imx/common/include/imx_sip_svc.h
@@ -33,7 +33,7 @@
 			 u_register_t x2, u_register_t x3);
 #endif
 
-#if (defined(PLAT_IMX8QM) || defined(PLAT_IMX8QX))
+#if (defined(PLAT_imx8qm) || defined(PLAT_imx8qx))
 int imx_cpufreq_handler(uint32_t smc_fid, u_register_t x1,
 			u_register_t x2, u_register_t x3);
 int imx_srtc_handler(uint32_t smc_fid, void *handle, u_register_t x1,