ARM: 9168/1: Add support for Cortex-M55 processor

Add processor info object for ARM Cortex-M55 CPU which inherits the
setup procedure, the processor and cache operation function from
Cortex-M7 processor info object.
Signed-off-by: NTigran Tadevosyan <tigran.tadevosyan@arm.com>
Signed-off-by: NVladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: NRussell King (Oracle) <rmk+kernel@armlinux.org.uk>

arch/arm/mm/proc-v7m.S

@@ -193,6 +193,16 @@ ENDPROC(__v7m_setup)
 	.long	\cache_fns
 .endm
 
+	/*
+	 * Match ARM Cortex-M55 processor.
+	 */
+	.type	__v7m_cm55_proc_info, #object
+__v7m_cm55_proc_info:
+	.long	0x410fd220		/* ARM Cortex-M55 0xD22 */
+	.long	0xff0ffff0		/* Mask off revision, patch release */
+	__v7m_proc __v7m_cm55_proc_info, __v7m_cm7_setup, hwcaps = HWCAP_EDSP, cache_fns = v7m_cache_fns, proc_fns = cm7_processor_functions
+	.size	__v7m_cm55_proc_info, . - __v7m_cm55_proc_info
+
 	/*
 	 * Match ARM Cortex-M33 processor.
 	 */