arm: cp15: remove weak function arm_init_domains

Remove the unused weak function arm_init_domains used to change the
DACR value.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
diff --git a/arch/arm/cpu/armv7/cache_v7.c b/arch/arm/cpu/armv7/cache_v7.c
index 146cf52..19ff432 100644
--- a/arch/arm/cpu/armv7/cache_v7.c
+++ b/arch/arm/cpu/armv7/cache_v7.c
@@ -176,9 +176,6 @@
 {
 }
 
-void arm_init_domains(void)
-{
-}
 #endif /* #if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) */
 
 #if !CONFIG_IS_ENABLED(SYS_ICACHE_OFF)
diff --git a/arch/arm/include/asm/cache.h b/arch/arm/include/asm/cache.h
index c20e05e..b10edf8 100644
--- a/arch/arm/include/asm/cache.h
+++ b/arch/arm/include/asm/cache.h
@@ -35,7 +35,6 @@
 void set_section_dcache(int section, enum dcache_option option);
 
 void arm_init_before_mmu(void);
-void arm_init_domains(void);
 void cpu_cache_initialization(void);
 void dram_bank_mmu_setup(int bank);
 
diff --git a/arch/arm/lib/cache-cp15.c b/arch/arm/lib/cache-cp15.c
index 4854c39..aab1bf4 100644
--- a/arch/arm/lib/cache-cp15.c
+++ b/arch/arm/lib/cache-cp15.c
@@ -22,10 +22,6 @@
 {
 }
 
-__weak void arm_init_domains(void)
-{
-}
-
 static void set_section_phys(int section, phys_addr_t phys,
 			     enum dcache_option option)
 {
@@ -210,8 +206,6 @@
 	asm volatile("mcr p15, 0, %0, c3, c0, 0"
 		     : : "r" (0x55555555));
 
-	arm_init_domains();
-
 	/* and enable the mmu */
 	reg = get_cr();	/* get control reg. */
 	set_cr(reg | CR_M);