imx: Add iMX91 support

iMX91 is reduced part from iMX93 with part number: i.MX9131/11/01
It removed A55_1, M33, MIPI DSI, LVDS, etc.

i.MX9131:
  - Support 2.4GT/s DDR and HWFFC at 1.2GT/s
i.MX9121:
  - A55 at 800Mhz and DDR at 1600MTS, with low drive mode.
i.MX9111:
  - Support 1.6GT/s DDR and HWFFC at 800MT/s
i.MX9101:
  - Support 800Mhz ARM clock
  - Support 1.6GT/s DDR and HWFFC at 800MT/s
  - No parallel display, eQOS, flexcan

Updated Clock/Container/CPU and etc for i.MX91

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/arch/arm/include/asm/mach-imx/sys_proto.h b/arch/arm/include/asm/mach-imx/sys_proto.h
index 31ace97..109a806 100644
--- a/arch/arm/include/asm/mach-imx/sys_proto.h
+++ b/arch/arm/include/asm/mach-imx/sys_proto.h
@@ -97,6 +97,12 @@
 #define is_imx9302() (is_cpu_type(MXC_CPU_IMX9302))
 #define is_imx9301() (is_cpu_type(MXC_CPU_IMX9301))
 
+#define is_imx9121() (is_cpu_type(MXC_CPU_IMX9121))
+#define is_imx9111() (is_cpu_type(MXC_CPU_IMX9111))
+#define is_imx9101() (is_cpu_type(MXC_CPU_IMX9101))
+#define is_imx91() (is_cpu_type(MXC_CPU_IMX91) || is_cpu_type(MXC_CPU_IMX9111) || \
+	is_cpu_type(MXC_CPU_IMX9101) || is_cpu_type(MXC_CPU_IMX9121))
+
 #define is_imxrt1020() (is_cpu_type(MXC_CPU_IMXRT1020))
 #define is_imxrt1050() (is_cpu_type(MXC_CPU_IMXRT1050))